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120012441 = 3431138233
BaseRepresentation
bin1110010011100…
…11111010011001
322100211021010020
413021303322121
5221210344231
615524141053
72655042333
oct711637231
9270737106
10120012441
116182013a
1234237789
131bb2c7a3
1411d20453
15a809396
hex7273e99

120012441 has 16 divisors (see below), whose sum is σ = 165206976. Its totient is φ = 77446656.

The previous prime is 120012421. The next prime is 120012449. The reversal of 120012441 is 144210021.

It is not a de Polignac number, because 120012441 - 210 = 120011417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120012441.

It is not an unprimeable number, because it can be changed into a prime (120012449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10461 + ... + 18693.

It is an arithmetic number, because the mean of its divisors is an integer number (10325436).

Almost surely, 2120012441 is an apocalyptic number.

It is an amenable number.

120012441 is a deficient number, since it is larger than the sum of its proper divisors (45194535).

120012441 is a wasteful number, since it uses less digits than its factorization.

120012441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8392.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 120012441 is about 10955.0189867476. The cubic root of 120012441 is about 493.2594599128.

Adding to 120012441 its reverse (144210021), we get a palindrome (264222462).

The spelling of 120012441 in words is "one hundred twenty million, twelve thousand, four hundred forty-one".

Divisors: 1 3 43 113 129 339 4859 8233 14577 24699 354019 930329 1062057 2790987 40004147 120012441