121879773 has 24 divisors (see below), whose sum is σ = 179419968. Its totient is φ = 79711872.

The previous prime is 121879733. The next prime is 121879777. The reversal of 121879773 is 377978121.

It is not a de Polignac number, because 121879773 - 2¹⁷ = 121748701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121879777) 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 23 ways as a sum of consecutive naturals, for example, 124261 + ... + 125237.

It is an arithmetic number, because the mean of its divisors is an integer number (7475832).

Almost surely, 2^121879773 is an apocalyptic number.

It is an amenable number.

121879773 is a deficient number, since it is larger than the sum of its proper divisors (57540195).

121879773 is a wasteful number, since it uses less digits than its factorization.

121879773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1233 (or 1230 counting only the distinct ones).

The product of its digits is 148176, while the sum is 45.

The square root of 121879773 is about 11039.9172551247. The cubic root of 121879773 is about 495.8045929123.

The spelling of 121879773 in words is "one hundred twenty-one million, eight hundred seventy-nine thousand, seven hundred seventy-three".