121871337 has 16 divisors (see below), whose sum is σ = 185911680. Its totient is φ = 69564672.

The previous prime is 121871231. The next prime is 121871341. The reversal of 121871337 is 733178121.

It is a de Polignac number, because none of the positive numbers 2^k-121871337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121871298 and 121871307.

It is not an unprimeable number, because it can be changed into a prime (121871437) 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, 20673 + ... + 25905.

It is an arithmetic number, because the mean of its divisors is an integer number (11619480).

Almost surely, 2^121871337 is an apocalyptic number.

It is an amenable number.

121871337 is a deficient number, since it is larger than the sum of its proper divisors (64040343).

121871337 is a wasteful number, since it uses less digits than its factorization.

121871337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6352.

The product of its digits is 7056, while the sum is 33.

The square root of 121871337 is about 11039.5351804322. The cubic root of 121871337 is about 495.7931534860.

The spelling of 121871337 in words is "one hundred twenty-one million, eight hundred seventy-one thousand, three hundred thirty-seven".