121969874 has 32 divisors (see below), whose sum is σ = 209139840. Its totient is φ = 52918272.

The previous prime is 121969843. The next prime is 121969877. The reversal of 121969874 is 478969121.

It is not an unprimeable number, because it can be changed into a prime (121969877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33554 + ... + 37010.

It is an arithmetic number, because the mean of its divisors is an integer number (6535620).

Almost surely, 2^121969874 is an apocalyptic number.

121969874 is a deficient number, since it is larger than the sum of its proper divisors (87169966).

121969874 is a wasteful number, since it uses less digits than its factorization.

121969874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554.

The product of its digits is 217728, while the sum is 47.

The square root of 121969874 is about 11043.9971930456. The cubic root of 121969874 is about 495.9267392014.

The spelling of 121969874 in words is "one hundred twenty-one million, nine hundred sixty-nine thousand, eight hundred seventy-four".