121171552 has 24 divisors (see below), whose sum is σ = 238859712. Its totient is φ = 60508800.

The previous prime is 121171537. The next prime is 121171553. The reversal of 121171552 is 255171121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121171553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29802 + ... + 33622.

It is an arithmetic number, because the mean of its divisors is an integer number (9952488).

Almost surely, 2^121171552 is an apocalyptic number.

It is an amenable number.

121171552 is a deficient number, since it is larger than the sum of its proper divisors (117688160).

121171552 is an equidigital number, since it uses as much as digits as its factorization.

121171552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4822 (or 4814 counting only the distinct ones).

The product of its digits is 700, while the sum is 25.

The square root of 121171552 is about 11007.7950562317. The cubic root of 121171552 is about 494.8423835828.

The spelling of 121171552 in words is "one hundred twenty-one million, one hundred seventy-one thousand, five hundred fifty-two".