121882157 has 8 divisors (see below), whose sum is σ = 126539040. Its totient is φ = 117255600.

The previous prime is 121882153. The next prime is 121882171. The reversal of 121882157 is 751288121.

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 121882157 - 2² = 121882153 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 (121882151) 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, 782 + ... + 15632.

It is an arithmetic number, because the mean of its divisors is an integer number (15817380).

Almost surely, 2^121882157 is an apocalyptic number.

It is an amenable number.

121882157 is a deficient number, since it is larger than the sum of its proper divisors (4656883).

121882157 is a wasteful number, since it uses less digits than its factorization.

121882157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15163.

The product of its digits is 8960, while the sum is 35.

The square root of 121882157 is about 11040.0252264205. The cubic root of 121882157 is about 495.8078255801.

The spelling of 121882157 in words is "one hundred twenty-one million, eight hundred eighty-two thousand, one hundred fifty-seven".