121004402 has 8 divisors (see below), whose sum is σ = 192183516. Its totient is φ = 56943232.

The previous prime is 121004399. The next prime is 121004417. The reversal of 121004402 is 204400121.

It can be written as a sum of positive squares in 2 ways, for example, as 118178641 + 2825761 = 10871^2 + 1681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1779443 + ... + 1779510.

Almost surely, 2^121004402 is an apocalyptic number.

121004402 is a deficient number, since it is larger than the sum of its proper divisors (71179114).

121004402 is a wasteful number, since it uses less digits than its factorization.

121004402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558972.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 121004402 is about 11000.2000890893. The cubic root of 121004402 is about 494.6147422348.

Adding to 121004402 its reverse (204400121), we get a palindrome (325404523).

The spelling of 121004402 in words is "one hundred twenty-one million, four thousand, four hundred two".