120747542 has 16 divisors (see below), whose sum is σ = 191528064. Its totient is φ = 57000000.

The previous prime is 120747509. The next prime is 120747551. The reversal of 120747542 is 245747021.

It is a junction number, because it is equal to n+sod(n) for n = 120747499 and 120747508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21209 + ... + 26292.

It is an arithmetic number, because the mean of its divisors is an integer number (11970504).

Almost surely, 2^120747542 is an apocalyptic number.

120747542 is a deficient number, since it is larger than the sum of its proper divisors (70780522).

120747542 is a wasteful number, since it uses less digits than its factorization.

120747542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47575.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 120747542 is about 10988.5186444762. The cubic root of 120747542 is about 494.2645160111.

The spelling of 120747542 in words is "one hundred twenty million, seven hundred forty-seven thousand, five hundred forty-two".