121157150 has 24 divisors (see below), whose sum is σ = 225755640. Its totient is φ = 48376160.

The previous prime is 121157137. The next prime is 121157159. The reversal of 121157150 is 51751121.

It is a super-2 number, since 2×121157150² = 29358109992245000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121157159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31112 + ... + 34788.

It is an arithmetic number, because the mean of its divisors is an integer number (9406485).

Almost surely, 2^121157150 is an apocalyptic number.

121157150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121157150 is a deficient number, since it is larger than the sum of its proper divisors (104598490).

121157150 is a wasteful number, since it uses less digits than its factorization.

121157150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 121157150 is about 11007.1408640028. The cubic root of 121157150 is about 494.8227777643.

The spelling of 121157150 in words is "one hundred twenty-one million, one hundred fifty-seven thousand, one hundred fifty".