120638774 has 4 divisors (see below), whose sum is σ = 180958164. Its totient is φ = 60319386.

The previous prime is 120638773. The next prime is 120638797. The reversal of 120638774 is 477836021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120638773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30159692 + ... + 30159695.

It is an arithmetic number, because the mean of its divisors is an integer number (45239541).

Almost surely, 2^120638774 is an apocalyptic number.

120638774 is a deficient number, since it is larger than the sum of its proper divisors (60319390).

120638774 is an equidigital number, since it uses as much as digits as its factorization.

120638774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60319389.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 120638774 is about 10983.5683636967. The cubic root of 120638774 is about 494.1160621592.

The spelling of 120638774 in words is "one hundred twenty million, six hundred thirty-eight thousand, seven hundred seventy-four".