121370902 has 16 divisors (see below), whose sum is σ = 186868080. Its totient is φ = 59102208.

The previous prime is 121370869. The next prime is 121370923. The reversal of 121370902 is 209073121.

It is a super-4 number, since 4×121370902⁴ (a number of 33 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6838 + ... + 17014.

It is an arithmetic number, because the mean of its divisors is an integer number (11679255).

Almost surely, 2^121370902 is an apocalyptic number.

121370902 is a deficient number, since it is larger than the sum of its proper divisors (65497178).

121370902 is a wasteful number, since it uses less digits than its factorization.

121370902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10335.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 121370902 is about 11016.8462819448. The cubic root of 121370902 is about 495.1136045072.

The spelling of 121370902 in words is "one hundred twenty-one million, three hundred seventy thousand, nine hundred two".