121319256 has 32 divisors (see below), whose sum is σ = 319262400. Its totient is φ = 38311200.

The previous prime is 121319251. The next prime is 121319257. The reversal of 121319256 is 652913121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121319251) 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, 132570 + ... + 133481.

It is an arithmetic number, because the mean of its divisors is an integer number (9976950).

Almost surely, 2^121319256 is an apocalyptic number.

It is an amenable number.

121319256 is an abundant number, since it is smaller than the sum of its proper divisors (197943144).

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

121319256 is a wasteful number, since it uses less digits than its factorization.

121319256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266079 (or 266075 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 121319256 is about 11014.5020768076. The cubic root of 121319256 is about 495.0433672850.

The spelling of 121319256 in words is "one hundred twenty-one million, three hundred nineteen thousand, two hundred fifty-six".