123100502490 has 96 divisors (see below), whose sum is σ = 379331971200. Its totient is φ = 28137253824.

The previous prime is 123100502489. The next prime is 123100502491. The reversal of 123100502490 is 94205001321.

123100502490 is a `hidden beast` number, since 1 + 23 + 100 + 50 + 2 + 490 = 666.

It is an interprime number because it is at equal distance from previous prime (123100502489) and next prime (123100502491).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (123100502491) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3601465 + ... + 3635484.

It is an arithmetic number, because the mean of its divisors is an integer number (3951374700).

Almost surely, 2^123100502490 is an apocalyptic number.

123100502490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123100502490 is an abundant number, since it is smaller than the sum of its proper divisors (256231468710).

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

123100502490 is an equidigital number, since it uses as much as digits as its factorization.

123100502490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7236978 (or 7236966 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 123100502490 in words is "one hundred twenty-three billion, one hundred million, five hundred two thousand, four hundred ninety".