121753272 has 32 divisors (see below), whose sum is σ = 311809680. Its totient is φ = 39594240.

The previous prime is 121753259. The next prime is 121753321. The reversal of 121753272 is 272357121.

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, 60883 + ... + 62850.

Almost surely, 2^121753272 is an apocalyptic number.

121753272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121753272 is an abundant number, since it is smaller than the sum of its proper divisors (190056408).

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

121753272 is a wasteful number, since it uses less digits than its factorization.

121753272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123783 (or 123779 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 121753272 is about 11034.1865128336. The cubic root of 121753272 is about 495.6329989799.

The spelling of 121753272 in words is "one hundred twenty-one million, seven hundred fifty-three thousand, two hundred seventy-two".