123252442 has 4 divisors (see below), whose sum is σ = 184878666. Its totient is φ = 61626220.

The previous prime is 123252433. The next prime is 123252511. The reversal of 123252442 is 244252321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 62583921 + 60668521 = 7911^2 + 7789^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30813109 + ... + 30813112.

Almost surely, 2^123252442 is an apocalyptic number.

123252442 is a deficient number, since it is larger than the sum of its proper divisors (61626224).

123252442 is an equidigital number, since it uses as much as digits as its factorization.

123252442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61626223.

The product of its digits is 3840, while the sum is 25.

The square root of 123252442 is about 11101.9116371911. The cubic root of 123252442 is about 497.6589790144.

The spelling of 123252442 in words is "one hundred twenty-three million, two hundred fifty-two thousand, four hundred forty-two".