123456502 has 32 divisors (see below), whose sum is σ = 209018880. Its totient is φ = 54262560.

The previous prime is 123456491. The next prime is 123456511. The reversal of 123456502 is 205654321.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 257499 + ... + 257977.

It is an arithmetic number, because the mean of its divisors is an integer number (6531840).

Almost surely, 2^123456502 is an apocalyptic number.

123456502 is a deficient number, since it is larger than the sum of its proper divisors (85562378).

123456502 is a wasteful number, since it uses less digits than its factorization.

123456502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 123456502 is about 11111.0981455480. The cubic root of 123456502 is about 497.9334733689.

The spelling of 123456502 in words is "one hundred twenty-three million, four hundred fifty-six thousand, five hundred two".