121964794 has 16 divisors (see below), whose sum is σ = 212029056. Its totient is φ = 51534000.

The previous prime is 121964779. The next prime is 121964797. The reversal of 121964794 is 497469121.

It is a self number, because there is not a number n which added to its sum of digits gives 121964794.

It is not an unprimeable number, because it can be changed into a prime (121964797) 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 7 ways as a sum of consecutive naturals, for example, 60357 + ... + 62344.

It is an arithmetic number, because the mean of its divisors is an integer number (13251816).

Almost surely, 2^121964794 is an apocalyptic number.

121964794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121964794 is a deficient number, since it is larger than the sum of its proper divisors (90064262).

121964794 is a wasteful number, since it uses less digits than its factorization.

121964794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122781.

The product of its digits is 108864, while the sum is 43.

The square root of 121964794 is about 11043.7672014580. The cubic root of 121964794 is about 495.9198540509.

The spelling of 121964794 in words is "one hundred twenty-one million, nine hundred sixty-four thousand, seven hundred ninety-four".