121404376 has 16 divisors (see below), whose sum is σ = 239614200. Its totient is φ = 57507264.

The previous prime is 121404347. The next prime is 121404377. The reversal of 121404376 is 673404121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399205 + ... + 399508.

Almost surely, 2^121404376 is an apocalyptic number.

It is an amenable number.

121404376 is a deficient number, since it is larger than the sum of its proper divisors (118209824).

121404376 is a wasteful number, since it uses less digits than its factorization.

121404376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798738 (or 798734 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 121404376 is about 11018.3653960104. The cubic root of 121404376 is about 495.1591176385.

Adding to 121404376 its reverse (673404121), we get a palindrome (794808497).

The spelling of 121404376 in words is "one hundred twenty-one million, four hundred four thousand, three hundred seventy-six".