121377204 has 60 divisors (see below), whose sum is σ = 341723844. Its totient is φ = 37345536.

The previous prime is 121377079. The next prime is 121377211. The reversal of 121377204 is 402773121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 73102500 + 48274704 = 8550^2 + 6948^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 10197 + ... + 18620.

Almost surely, 2^121377204 is an apocalyptic number.

It is an amenable number.

121377204 is an abundant number, since it is smaller than the sum of its proper divisors (220346640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121377204 is a wasteful number, since it uses less digits than its factorization.

121377204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28846 (or 28835 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 121377204 is about 11017.1322947489. The cubic root of 121377204 is about 495.1221736999.

The spelling of 121377204 in words is "one hundred twenty-one million, three hundred seventy-seven thousand, two hundred four".