120900157 has 4 divisors (see below), whose sum is σ = 138171616. Its totient is φ = 103628700.

The previous prime is 120900139. The next prime is 120900179. The reversal of 120900157 is 751009021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 120900157 - 2²³ = 112511549 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 (120900137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8635719 + ... + 8635732.

It is an arithmetic number, because the mean of its divisors is an integer number (34542904).

Almost surely, 2^120900157 is an apocalyptic number.

It is an amenable number.

120900157 is a deficient number, since it is larger than the sum of its proper divisors (17271459).

120900157 is an equidigital number, since it uses as much as digits as its factorization.

120900157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17271458.

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 120900157 is about 10995.4607452348. The cubic root of 120900157 is about 494.4726649587.

Adding to 120900157 its reverse (751009021), we get a palindrome (871909178).

The spelling of 120900157 in words is "one hundred twenty million, nine hundred thousand, one hundred fifty-seven".