124002535023442 has 4 divisors (see below), whose sum is σ = 186003802535166. Its totient is φ = 62001267511720.

The previous prime is 124002535023401. The next prime is 124002535023457. The reversal of 124002535023442 is 244320535200421.

It is a happy number.

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., 85239222435081 + 38763312588361 = 9232509^2 + 6226019^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31000633755859 + ... + 31000633755862.

Almost surely, 2^{124002535023442} is an apocalyptic number.

124002535023442 is a deficient number, since it is larger than the sum of its proper divisors (62001267511724).

124002535023442 is an equidigital number, since it uses as much as digits as its factorization.

124002535023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62001267511723.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 124002535023442 in words is "one hundred twenty-four trillion, two billion, five hundred thirty-five million, twenty-three thousand, four hundred forty-two".