120550311 has 12 divisors (see below), whose sum is σ = 199003792. Its totient is φ = 68885856.

The previous prime is 120550271. The next prime is 120550327. The reversal of 120550311 is 113055021.

It is not a de Polignac number, because 120550311 - 2¹⁰ = 120549287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120500311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956686 + ... + 956811.

Almost surely, 2^120550311 is an apocalyptic number.

120550311 is a deficient number, since it is larger than the sum of its proper divisors (78453481).

120550311 is a wasteful number, since it uses less digits than its factorization.

120550311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913510 (or 1913507 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 120550311 is about 10979.5405641584. The cubic root of 120550311 is about 493.9952561188.

The spelling of 120550311 in words is "one hundred twenty million, five hundred fifty thousand, three hundred eleven".