123874912590 has 128 divisors (see below), whose sum is σ = 361319616000. Its totient is φ = 26764362240.

The previous prime is 123874912559. The next prime is 123874912597. The reversal of 123874912590 is 95219478321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123874912597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 373440 + ... + 622259.

It is an arithmetic number, because the mean of its divisors is an integer number (2822809500).

Almost surely, 2^123874912590 is an apocalyptic number.

123874912590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123874912590 is an abundant number, since it is smaller than the sum of its proper divisors (237444703410).

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

123874912590 is a wasteful number, since it uses less digits than its factorization.

123874912590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995762.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The spelling of 123874912590 in words is "one hundred twenty-three billion, eight hundred seventy-four million, nine hundred twelve thousand, five hundred ninety".