121477402 has 16 divisors (see below), whose sum is σ = 185182632. Its totient is φ = 59754240.

The previous prime is 121477397. The next prime is 121477403. The reversal of 121477402 is 204774121.

It can be written as a sum of positive squares in 4 ways, for example, as 79370281 + 42107121 = 8909^2 + 6489^2 .

It is not an unprimeable number, because it can be changed into a prime (121477403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75268 + ... + 76864.

Almost surely, 2^121477402 is an apocalyptic number.

121477402 is a deficient number, since it is larger than the sum of its proper divisors (63705230).

121477402 is a wasteful number, since it uses less digits than its factorization.

121477402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2193.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 121477402 is about 11021.6787287600. The cubic root of 121477402 is about 495.2583788657.

The spelling of 121477402 in words is "one hundred twenty-one million, four hundred seventy-seven thousand, four hundred two".