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120013124 = 22711235423
BaseRepresentation
bin1110010011101…
…00000101000100
322100211022001112
413021310011010
5221210404444
615524144152
72655044330
oct711640504
9270738045
10120013124
1161820700
1234238058
131bb2cbaa
1411d207c0
15a80969e
hex7274144

120013124 has 36 divisors (see below), whose sum is σ = 263837952. Its totient is φ = 46757040.

The previous prime is 120013111. The next prime is 120013141. The reversal of 120013124 is 421310021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120013099 and 120013108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14324 + ... + 21099.

It is an arithmetic number, because the mean of its divisors is an integer number (7328832).

Almost surely, 2120013124 is an apocalyptic number.

120013124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

120013124 is an abundant number, since it is smaller than the sum of its proper divisors (143824828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120013124 is a wasteful number, since it uses less digits than its factorization.

120013124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35456 (or 35443 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 120013124 is about 10955.0501596296. The cubic root of 120013124 is about 493.2603956369.

Adding to 120013124 its reverse (421310021), we get a palindrome (541323145).

The spelling of 120013124 in words is "one hundred twenty million, thirteen thousand, one hundred twenty-four".

Divisors: 1 2 4 7 11 14 22 28 44 77 121 154 242 308 484 847 1694 3388 35423 70846 141692 247961 389653 495922 779306 991844 1558612 2727571 4286183 5455142 8572366 10910284 17144732 30003281 60006562 120013124