120136051 has 4 divisors (see below), whose sum is σ = 137298352. Its totient is φ = 102973752.

The previous prime is 120136043. The next prime is 120136087. The reversal of 120136051 is 150631021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 120136051 - 2³ = 120136043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120136021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8581140 + ... + 8581153.

It is an arithmetic number, because the mean of its divisors is an integer number (34324588).

Almost surely, 2^120136051 is an apocalyptic number.

120136051 is a deficient number, since it is larger than the sum of its proper divisors (17162301).

120136051 is an equidigital number, since it uses as much as digits as its factorization.

120136051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17162300.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 120136051 is about 10960.6592411223. The cubic root of 120136051 is about 493.4287503634.

Adding to 120136051 its reverse (150631021), we get a palindrome (270767072).

The spelling of 120136051 in words is "one hundred twenty million, one hundred thirty-six thousand, fifty-one".