121253331 has 16 divisors (see below), whose sum is σ = 163175040. Its totient is φ = 80088000.

The previous prime is 121253323. The next prime is 121253339. The reversal of 121253331 is 133352121.

It is an interprime number because it is at equal distance from previous prime (121253323) and next prime (121253339).

It is not a de Polignac number, because 121253331 - 2³ = 121253323 is a prime.

It is a super-2 number, since 2×121253331² = 29404740557191122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121253298 and 121253307.

It is not an unprimeable number, because it can be changed into a prime (121253339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212815 + ... + 213383.

It is an arithmetic number, because the mean of its divisors is an integer number (10198440).

Almost surely, 2^121253331 is an apocalyptic number.

121253331 is a deficient number, since it is larger than the sum of its proper divisors (41921709).

121253331 is a wasteful number, since it uses less digits than its factorization.

121253331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106.

The product of its digits is 540, while the sum is 21.

The square root of 121253331 is about 11011.5090246523. The cubic root of 121253331 is about 494.9536820246.

The spelling of 121253331 in words is "one hundred twenty-one million, two hundred fifty-three thousand, three hundred thirty-one".