120764542 has 4 divisors (see below), whose sum is σ = 181146816. Its totient is φ = 60382270.

The previous prime is 120764537. The next prime is 120764593. The reversal of 120764542 is 245467021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245467021 = 31 ⋅7918291.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30191134 + ... + 30191137.

It is an arithmetic number, because the mean of its divisors is an integer number (45286704).

Almost surely, 2^120764542 is an apocalyptic number.

120764542 is a deficient number, since it is larger than the sum of its proper divisors (60382274).

120764542 is an equidigital number, since it uses as much as digits as its factorization.

120764542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60382273.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 120764542 is about 10989.2921519086. The cubic root of 120764542 is about 494.2877106930.

The spelling of 120764542 in words is "one hundred twenty million, seven hundred sixty-four thousand, five hundred forty-two".