121352986 has 8 divisors (see below), whose sum is σ = 182944800. Its totient is φ = 60371388.

The previous prime is 121352983. The next prime is 121352999. The reversal of 121352986 is 689253121.

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

It is a super-2 number, since 2×121352986² = 29453094422232392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121352983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152056 + ... + 152851.

It is an arithmetic number, because the mean of its divisors is an integer number (22868100).

Almost surely, 2^121352986 is an apocalyptic number.

121352986 is a deficient number, since it is larger than the sum of its proper divisors (61591814).

121352986 is a wasteful number, since it uses less digits than its factorization.

121352986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305108.

The product of its digits is 25920, while the sum is 37.

The square root of 121352986 is about 11016.0331335740. The cubic root of 121352986 is about 495.0892414688.

The spelling of 121352986 in words is "one hundred twenty-one million, three hundred fifty-two thousand, nine hundred eighty-six".