123252042 has 16 divisors (see below), whose sum is σ = 246739680. Its totient is φ = 41044752.

The previous prime is 123252029. The next prime is 123252047. The reversal of 123252042 is 240252321.

It is not an unprimeable number, because it can be changed into a prime (123252047) 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, 2608 + ... + 15915.

It is an arithmetic number, because the mean of its divisors is an integer number (15421230).

Almost surely, 2^123252042 is an apocalyptic number.

123252042 is an abundant number, since it is smaller than the sum of its proper divisors (123487638).

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

123252042 is a wasteful number, since it uses less digits than its factorization.

123252042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 123252042 is about 11101.8936222610. The cubic root of 123252042 is about 497.6584406510.

The spelling of 123252042 in words is "one hundred twenty-three million, two hundred fifty-two thousand, forty-two".