121551124 has 36 divisors (see below), whose sum is σ = 222654432. Its totient is φ = 58054320.

The previous prime is 121551109. The next prime is 121551161. The reversal of 121551124 is 421155121.

It is a junction number, because it is equal to n+sod(n) for n = 121551095 and 121551104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 395779 + ... + 396085.

Almost surely, 2^121551124 is an apocalyptic number.

It is an amenable number.

121551124 is a deficient number, since it is larger than the sum of its proper divisors (101103308).

121551124 is a wasteful number, since it uses less digits than its factorization.

121551124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 443 counting only the distinct ones).

The product of its digits is 400, while the sum is 22.

The square root of 121551124 is about 11025.0226303623. The cubic root of 121551124 is about 495.3585457941.

The spelling of 121551124 in words is "one hundred twenty-one million, five hundred fifty-one thousand, one hundred twenty-four".