121265268 has 24 divisors (see below), whose sum is σ = 284991840. Its totient is φ = 40130400.

The previous prime is 121265257. The next prime is 121265279. The reversal of 121265268 is 862562121.

It is an interprime number because it is at equal distance from previous prime (121265257) and next prime (121265279).

It is a super-2 number, since 2×121265268² = 29410530446223648, which contains 22 as substring.

It is a congruent number.

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, 34683 + ... + 38018.

It is an arithmetic number, because the mean of its divisors is an integer number (11874660).

Almost surely, 2^121265268 is an apocalyptic number.

It is an amenable number.

121265268 is an abundant number, since it is smaller than the sum of its proper divisors (163726572).

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

121265268 is a wasteful number, since it uses less digits than its factorization.

121265268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72847 (or 72845 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 121265268 is about 11012.0510351160. The cubic root of 121265268 is about 494.9699236904.

The spelling of 121265268 in words is "one hundred twenty-one million, two hundred sixty-five thousand, two hundred sixty-eight".