121309268 has 12 divisors (see below), whose sum is σ = 221521440. Its totient is φ = 58017432.

The previous prime is 121309247. The next prime is 121309289. The reversal of 121309268 is 862903121.

It is an interprime number because it is at equal distance from previous prime (121309247) and next prime (121309289).

It is a congruent number.

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, 659198 + ... + 659381.

It is an arithmetic number, because the mean of its divisors is an integer number (18460120).

Almost surely, 2^121309268 is an apocalyptic number.

It is an amenable number.

121309268 is a deficient number, since it is larger than the sum of its proper divisors (100212172).

121309268 is a wasteful number, since it uses less digits than its factorization.

121309268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318606 (or 1318604 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 121309268 is about 11014.0486652275. The cubic root of 121309268 is about 495.0297815636.

The spelling of 121309268 in words is "one hundred twenty-one million, three hundred nine thousand, two hundred sixty-eight".