121886938 has 8 divisors (see below), whose sum is σ = 192453120. Its totient is φ = 57735900.

The previous prime is 121886879. The next prime is 121886953. The reversal of 121886938 is 839688121.

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, 1603738 + ... + 1603813.

It is an arithmetic number, because the mean of its divisors is an integer number (24056640).

Almost surely, 2^121886938 is an apocalyptic number.

121886938 is a deficient number, since it is larger than the sum of its proper divisors (70566182).

121886938 is a wasteful number, since it uses less digits than its factorization.

121886938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207572.

The product of its digits is 165888, while the sum is 46.

The square root of 121886938 is about 11040.2417545994. The cubic root of 121886938 is about 495.8143084164.

The spelling of 121886938 in words is "one hundred twenty-one million, eight hundred eighty-six thousand, nine hundred thirty-eight".