121263724 has 6 divisors (see below), whose sum is σ = 212211524. Its totient is φ = 60631860.

The previous prime is 121263707. The next prime is 121263749. The reversal of 121263724 is 427362121.

It is a junction number, because it is equal to n+sod(n) for n = 121263692 and 121263701.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15157962 + ... + 15157969.

Almost surely, 2^121263724 is an apocalyptic number.

It is an amenable number.

121263724 is a deficient number, since it is larger than the sum of its proper divisors (90947800).

121263724 is a wasteful number, since it uses less digits than its factorization.

121263724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30315935 (or 30315933 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 121263724 is about 11011.9809298781. The cubic root of 121263724 is about 494.9678229603.

The spelling of 121263724 in words is "one hundred twenty-one million, two hundred sixty-three thousand, seven hundred twenty-four".