121392037 has 8 divisors (see below), whose sum is σ = 132572160. Its totient is φ = 110475120.

The previous prime is 121392031. The next prime is 121392041. The reversal of 121392037 is 730293121.

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 121392037 - 2¹⁵ = 121359269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121391996 and 121392014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121392031) 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, 64837 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (16571520).

Almost surely, 2^121392037 is an apocalyptic number.

It is an amenable number.

121392037 is a deficient number, since it is larger than the sum of its proper divisors (11180123).

121392037 is a wasteful number, since it uses less digits than its factorization.

121392037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131603.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 121392037 is about 11017.8054529929. The cubic root of 121392037 is about 495.1423418144.

The spelling of 121392037 in words is "one hundred twenty-one million, three hundred ninety-two thousand, thirty-seven".