123932642 has 8 divisors (see below), whose sum is σ = 186872832. Its totient is φ = 61641700.

The previous prime is 123932639. The next prime is 123932651. The reversal of 123932642 is 246239321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 123932599 and 123932608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161834 + ... + 162597.

It is an arithmetic number, because the mean of its divisors is an integer number (23359104).

Almost surely, 2^123932642 is an apocalyptic number.

123932642 is a deficient number, since it is larger than the sum of its proper divisors (62940190).

123932642 is a wasteful number, since it uses less digits than its factorization.

123932642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324624.

The product of its digits is 15552, while the sum is 32.

The square root of 123932642 is about 11132.5038513355. The cubic root of 123932642 is about 498.5727859966.

The spelling of 123932642 in words is "one hundred twenty-three million, nine hundred thirty-two thousand, six hundred forty-two".