121112402 has 8 divisors (see below), whose sum is σ = 184157436. Its totient is φ = 59726592.

The previous prime is 121112399. The next prime is 121112449. The reversal of 121112402 is 204211121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 110229001 + 10883401 = 10499^2 + 3299^2 .

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, 414623 + ... + 414914.

Almost surely, 2^121112402 is an apocalyptic number.

121112402 is a deficient number, since it is larger than the sum of its proper divisors (63045034).

121112402 is an equidigital number, since it uses as much as digits as its factorization.

121112402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829612.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 121112402 is about 11005.1079958354. The cubic root of 121112402 is about 494.7618512287.

Adding to 121112402 its reverse (204211121), we get a palindrome (325323523).

The spelling of 121112402 in words is "one hundred twenty-one million, one hundred twelve thousand, four hundred two".