121151256 has 32 divisors (see below), whose sum is σ = 303490800. Its totient is φ = 40302080.

The previous prime is 121151243. The next prime is 121151267. The reversal of 121151256 is 652151121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7660 + ... + 17348.

Almost surely, 2^121151256 is an apocalyptic number.

It is an amenable number.

121151256 is an abundant number, since it is smaller than the sum of its proper divisors (182339544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121151256 is a wasteful number, since it uses less digits than its factorization.

121151256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10219 (or 10215 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 121151256 is about 11006.8731254612. The cubic root of 121151256 is about 494.8147536602.

The spelling of 121151256 in words is "one hundred twenty-one million, one hundred fifty-one thousand, two hundred fifty-six".