121258272 has 24 divisors (see below), whose sum is σ = 318303216. Its totient is φ = 40419392.

The previous prime is 121258259. The next prime is 121258283. The reversal of 121258272 is 272852121.

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631458 + ... + 631649.

It is an arithmetic number, because the mean of its divisors is an integer number (13262634).

Almost surely, 2^121258272 is an apocalyptic number.

121258272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121258272 is an abundant number, since it is smaller than the sum of its proper divisors (197044944).

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

121258272 is a wasteful number, since it uses less digits than its factorization.

121258272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263120 (or 1263112 counting only the distinct ones).

The product of its digits is 4480, while the sum is 30.

The square root of 121258272 is about 11011.7333785376. The cubic root of 121258272 is about 494.9604049545.

The spelling of 121258272 in words is "one hundred twenty-one million, two hundred fifty-eight thousand, two hundred seventy-two".