121472152 has 16 divisors (see below), whose sum is σ = 228115800. Its totient is φ = 60641280.

The previous prime is 121472137. The next prime is 121472161. The reversal of 121472152 is 251274121.

It is a super-2 number, since 2×121472152² = 29510967423022208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6249 + ... + 16792.

Almost surely, 2^121472152 is an apocalyptic number.

It is an amenable number.

121472152 is a deficient number, since it is larger than the sum of its proper divisors (106643648).

121472152 is a wasteful number, since it uses less digits than its factorization.

121472152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23706 (or 23702 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 121472152 is about 11021.4405592010. The cubic root of 121472152 is about 495.2512440848.

The spelling of 121472152 in words is "one hundred twenty-one million, four hundred seventy-two thousand, one hundred fifty-two".