121453256 has 16 divisors (see below), whose sum is σ = 229124400. Its totient is φ = 60353424.

The previous prime is 121453249. The next prime is 121453259. The reversal of 121453256 is 652354121.

It is not an unprimeable number, because it can be changed into a prime (121453259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45266 + ... + 47873.

It is an arithmetic number, because the mean of its divisors is an integer number (14320275).

Almost surely, 2^121453256 is an apocalyptic number.

It is an amenable number.

121453256 is a deficient number, since it is larger than the sum of its proper divisors (107671144).

121453256 is a wasteful number, since it uses less digits than its factorization.

121453256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93308 (or 93304 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 121453256 is about 11020.5832876486. The cubic root of 121453256 is about 495.2255626079.

The spelling of 121453256 in words is "one hundred twenty-one million, four hundred fifty-three thousand, two hundred fifty-six".