121310352 has 40 divisors (see below), whose sum is σ = 348206880. Its totient is φ = 40436640.

The previous prime is 121310339. The next prime is 121310369. The reversal of 121310352 is 253013121.

121310352 is a `hidden beast` number, since 1 + 2 + 1 + 310 + 352 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139974 + ... + 140837.

It is an arithmetic number, because the mean of its divisors is an integer number (8705172).

Almost surely, 2^121310352 is an apocalyptic number.

121310352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121310352 is an abundant number, since it is smaller than the sum of its proper divisors (226896528).

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

121310352 is a wasteful number, since it uses less digits than its factorization.

121310352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280828 (or 280816 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 121310352 is about 11014.0978749964. The cubic root of 121310352 is about 495.0312560612.

Adding to 121310352 its reverse (253013121), we get a palindrome (374323473).

The spelling of 121310352 in words is "one hundred twenty-one million, three hundred ten thousand, three hundred fifty-two".