121371313 has 8 divisors (see below), whose sum is σ = 146869632. Its totient is φ = 97912896.

The previous prime is 121371287. The next prime is 121371317. The reversal of 121371313 is 313173121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121371313 - 2⁵ = 121371281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121371317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509845 + ... + 510082.

It is an arithmetic number, because the mean of its divisors is an integer number (18358704).

Almost surely, 2^121371313 is an apocalyptic number.

It is an amenable number.

121371313 is a deficient number, since it is larger than the sum of its proper divisors (25498319).

121371313 is a wasteful number, since it uses less digits than its factorization.

121371313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019951.

The product of its digits is 378, while the sum is 22.

The square root of 121371313 is about 11016.8649351801. The cubic root of 121371313 is about 495.1141633767.

The spelling of 121371313 in words is "one hundred twenty-one million, three hundred seventy-one thousand, three hundred thirteen".