120742534 has 32 divisors (see below), whose sum is σ = 211126176. Its totient is φ = 51179520.

The previous prime is 120742519. The next prime is 120742541. The reversal of 120742534 is 435247021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40834 + ... + 43690.

It is an arithmetic number, because the mean of its divisors is an integer number (6597693).

Almost surely, 2^120742534 is an apocalyptic number.

120742534 is a deficient number, since it is larger than the sum of its proper divisors (90383642).

120742534 is a wasteful number, since it uses less digits than its factorization.

120742534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 120742534 is about 10988.2907679038. The cubic root of 120742534 is about 494.2576827156.

Adding to 120742534 its reverse (435247021), we get a palindrome (555989555).

The spelling of 120742534 in words is "one hundred twenty million, seven hundred forty-two thousand, five hundred thirty-four".