120211157 has 8 divisors (see below), whose sum is σ = 138041760. Its totient is φ = 103530960.

The previous prime is 120211129. The next prime is 120211159. The reversal of 120211157 is 751112021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120211157 - 2²⁰ = 119162581 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 (120211159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287378 + ... + 287795.

It is an arithmetic number, because the mean of its divisors is an integer number (17255220).

Almost surely, 2^120211157 is an apocalyptic number.

It is an amenable number.

120211157 is a deficient number, since it is larger than the sum of its proper divisors (17830603).

120211157 is a wasteful number, since it uses less digits than its factorization.

120211157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575203.

The product of its (nonzero) digits is 140, while the sum is 20.

The square root of 120211157 is about 10964.0848683326. The cubic root of 120211157 is about 493.5315553062.

Adding to 120211157 its reverse (751112021), we get a palindrome (871323178).

The spelling of 120211157 in words is "one hundred twenty million, two hundred eleven thousand, one hundred fifty-seven".