121253260 has 48 divisors (see below), whose sum is σ = 260709120. Its totient is φ = 47355840.

The previous prime is 121253233. The next prime is 121253261. The reversal of 121253260 is 62352121.

It is not an unprimeable number, because it can be changed into a prime (121253261) 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, 248737 + ... + 249223.

It is an arithmetic number, because the mean of its divisors is an integer number (5431440).

Almost surely, 2^121253260 is an apocalyptic number.

121253260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121253260 is an abundant number, since it is smaller than the sum of its proper divisors (139455860).

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

121253260 is a wasteful number, since it uses less digits than its factorization.

121253260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 764 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 121253260 is about 11011.5058007522. The cubic root of 121253260 is about 494.9535854177.

The spelling of 121253260 in words is "one hundred twenty-one million, two hundred fifty-three thousand, two hundred sixty".