121274724 has 12 divisors (see below), whose sum is σ = 282974384. Its totient is φ = 40424904.

The previous prime is 121274687. The next prime is 121274767. The reversal of 121274724 is 427472121.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 121274691 and 121274700.

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, 5053102 + ... + 5053125.

Almost surely, 2^121274724 is an apocalyptic number.

It is an amenable number.

121274724 is an abundant number, since it is smaller than the sum of its proper divisors (161699660).

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

121274724 is a wasteful number, since it uses less digits than its factorization.

121274724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10106234 (or 10106232 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 121274724 is about 11012.4803745569. The cubic root of 121274724 is about 494.9827889129.

The spelling of 121274724 in words is "one hundred twenty-one million, two hundred seventy-four thousand, seven hundred twenty-four".