120551164 has 6 divisors (see below), whose sum is σ = 210964544. Its totient is φ = 60275580.

The previous prime is 120551161. The next prime is 120551177. The reversal of 120551164 is 461155021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120551161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15068892 + ... + 15068899.

Almost surely, 2^120551164 is an apocalyptic number.

It is an amenable number.

120551164 is a deficient number, since it is larger than the sum of its proper divisors (90413380).

120551164 is a wasteful number, since it uses less digits than its factorization.

120551164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30137795 (or 30137793 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 120551164 is about 10979.5794090666. The cubic root of 120551164 is about 493.9964212671.

The spelling of 120551164 in words is "one hundred twenty million, five hundred fifty-one thousand, one hundred sixty-four".