121432252 has 12 divisors (see below), whose sum is σ = 213000256. Its totient is φ = 60575040.

The previous prime is 121432247. The next prime is 121432271. The reversal of 121432252 is 252234121.

It is a happy number.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 33324 + ... + 36787.

Almost surely, 2^121432252 is an apocalyptic number.

It is an amenable number.

121432252 is a deficient number, since it is larger than the sum of its proper divisors (91568004).

121432252 is a wasteful number, since it uses less digits than its factorization.

121432252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70548 (or 70546 counting only the distinct ones).

The product of its digits is 960, while the sum is 22.

The square root of 121432252 is about 11019.6303023287. The cubic root of 121432252 is about 495.1970130305.

Adding to 121432252 its reverse (252234121), we get a palindrome (373666373).

The spelling of 121432252 in words is "one hundred twenty-one million, four hundred thirty-two thousand, two hundred fifty-two".