120155546 has 12 divisors (see below), whose sum is σ = 209659338. Its totient is φ = 51495192.

The previous prime is 120155533. The next prime is 120155551. The reversal of 120155546 is 645551021.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 78411025 + 41744521 = 8855^2 + 6461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612941 + ... + 613136.

Almost surely, 2^120155546 is an apocalyptic number.

120155546 is a deficient number, since it is larger than the sum of its proper divisors (89503792).

120155546 is a wasteful number, since it uses less digits than its factorization.

120155546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226093 (or 1226086 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 120155546 is about 10961.5485219927. The cubic root of 120155546 is about 493.4554391970.

The spelling of 120155546 in words is "one hundred twenty million, one hundred fifty-five thousand, five hundred forty-six".