120197157 has 16 divisors (see below), whose sum is σ = 171843840. Its totient is φ = 74460672.

The previous prime is 120197111. The next prime is 120197167. The reversal of 120197157 is 751791021.

It is not a de Polignac number, because 120197157 - 2⁷ = 120197029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120197167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10888 + ... + 18945.

It is an arithmetic number, because the mean of its divisors is an integer number (10740240).

Almost surely, 2^120197157 is an apocalyptic number.

120197157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120197157 is a deficient number, since it is larger than the sum of its proper divisors (51646683).

120197157 is a wasteful number, since it uses less digits than its factorization.

120197157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29932.

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 120197157 is about 10963.4464015655. The cubic root of 120197157 is about 493.5123953818.

The spelling of 120197157 in words is "one hundred twenty million, one hundred ninety-seven thousand, one hundred fifty-seven".