121353252 has 24 divisors (see below), whose sum is σ = 288501696. Its totient is φ = 39687648.

The previous prime is 121353227. The next prime is 121353263. The reversal of 121353252 is 252353121.

It is a happy number.

It is a super-2 number, since 2×121353252² = 29453223541951008, which contains 22 as substring.

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, 94768 + ... + 96039.

It is an arithmetic number, because the mean of its divisors is an integer number (12020904).

Almost surely, 2^121353252 is an apocalyptic number.

121353252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121353252 is an abundant number, since it is smaller than the sum of its proper divisors (167148444).

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

121353252 is a wasteful number, since it uses less digits than its factorization.

121353252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190867 (or 190865 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 121353252 is about 11016.0452068789. The cubic root of 121353252 is about 495.0896032059.

The spelling of 121353252 in words is "one hundred twenty-one million, three hundred fifty-three thousand, two hundred fifty-two".