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121040024 = 2373758417
BaseRepresentation
bin1110011011011…
…10110010011000
322102202110200212
413031232302120
5221441240044
620002150252
72666552240
oct715566230
9272673625
10121040024
1162362186
1234652388
131c0cc421
141210ab20
15a95da9e
hex736ec98

121040024 has 32 divisors (see below), whose sum is σ = 266386080. Its totient is φ = 50471424.

The previous prime is 121040021. The next prime is 121040033. The reversal of 121040024 is 420040121.

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 = 121039990 and 121040008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121040021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27137 + ... + 31280.

It is an arithmetic number, because the mean of its divisors is an integer number (8324565).

Almost surely, 2121040024 is an apocalyptic number.

121040024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121040024 is an abundant number, since it is smaller than the sum of its proper divisors (145346056).

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

121040024 is a wasteful number, since it uses less digits than its factorization.

121040024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58467 (or 58463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 121040024 is about 11001.8191223088. The cubic root of 121040024 is about 494.6632733554.

Adding to 121040024 its reverse (420040121), we get a palindrome (541080145).

The spelling of 121040024 in words is "one hundred twenty-one million, forty thousand, twenty-four".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 58417 116834 233668 408919 467336 817838 1635676 2161429 3271352 4322858 8645716 15130003 17291432 30260006 60520012 121040024