121037986 has 8 divisors (see below), whose sum is σ = 185985324. Its totient is φ = 59042880.

The previous prime is 121037971. The next prime is 121038013. The reversal of 121037986 is 689730121.

It can be written as a sum of positive squares in 2 ways, for example, as 120582361 + 455625 = 10981^2 + 675^2 .

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

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, 737955 + ... + 738118.

Almost surely, 2^121037986 is an apocalyptic number.

121037986 is a deficient number, since it is larger than the sum of its proper divisors (64947338).

121037986 is a wasteful number, since it uses less digits than its factorization.

121037986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1476116.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 121037986 is about 11001.7265008725. The cubic root of 121037986 is about 494.6604970577.

The spelling of 121037986 in words is "one hundred twenty-one million, thirty-seven thousand, nine hundred eighty-six".