121031296 has 32 divisors (see below), whose sum is σ = 255304980. Its totient is φ = 56954880.

The previous prime is 121031269. The next prime is 121031321. The reversal of 121031296 is 692130121.

It can be written as a sum of positive squares in 2 ways, for example, as 119246400 + 1784896 = 10920^2 + 1336^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×121031296² = 29297149222879232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121031296.

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, 25635 + ... + 29986.

Almost surely, 2^121031296 is an apocalyptic number.

121031296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121031296 is an abundant number, since it is smaller than the sum of its proper divisors (134273684).

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

121031296 is an equidigital number, since it uses as much as digits as its factorization.

121031296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55652 (or 55640 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 121031296 is about 11001.4224534830. The cubic root of 121031296 is about 494.6513832805.

The spelling of 121031296 in words is "one hundred twenty-one million, thirty-one thousand, two hundred ninety-six".