121252444 has 12 divisors (see below), whose sum is σ = 212871904. Its totient is φ = 60431904.

The previous prime is 121252429. The next prime is 121252447. The reversal of 121252444 is 444252121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121252447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47172 + ... + 49675.

Almost surely, 2^121252444 is an apocalyptic number.

It is an amenable number.

121252444 is a deficient number, since it is larger than the sum of its proper divisors (91619460).

121252444 is a wasteful number, since it uses less digits than its factorization.

121252444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97164 (or 97162 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 121252444 is about 11011.4687485367. The cubic root of 121252444 is about 494.9524751162.

The spelling of 121252444 in words is "one hundred twenty-one million, two hundred fifty-two thousand, four hundred forty-four".