121612472 has 16 divisors (see below), whose sum is σ = 228453000. Its totient is φ = 60691680.

The previous prime is 121612397. The next prime is 121612487. The reversal of 121612472 is 274216121.

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, 9722 + ... + 18377.

Almost surely, 2^121612472 is an apocalyptic number.

It is an amenable number.

121612472 is a deficient number, since it is larger than the sum of its proper divisors (106840528).

121612472 is a wasteful number, since it uses less digits than its factorization.

121612472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28646 (or 28642 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 121612472 is about 11027.8044959094. The cubic root of 121612472 is about 495.4418691561.

Adding to 121612472 its reverse (274216121), we get a palindrome (395828593).

The spelling of 121612472 in words is "one hundred twenty-one million, six hundred twelve thousand, four hundred seventy-two".