120506156 has 6 divisors (see below), whose sum is σ = 210885780. Its totient is φ = 60253076.

The previous prime is 120506147. The next prime is 120506161. The reversal of 120506156 is 651605021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15063266 + ... + 15063273.

It is an arithmetic number, because the mean of its divisors is an integer number (35147630).

Almost surely, 2^120506156 is an apocalyptic number.

It is an amenable number.

120506156 is a deficient number, since it is larger than the sum of its proper divisors (90379624).

120506156 is a wasteful number, since it uses less digits than its factorization.

120506156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30126543 (or 30126541 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 120506156 is about 10977.5295945855. The cubic root of 120506156 is about 493.9349354554.

The spelling of 120506156 in words is "one hundred twenty million, five hundred six thousand, one hundred fifty-six".