121696402 has 8 divisors (see below), whose sum is σ = 185045436. Its totient is φ = 60014592.

The previous prime is 121696369. The next prime is 121696411. The reversal of 121696402 is 204696121.

It can be written as a sum of positive squares in 2 ways, for example, as 119705481 + 1990921 = 10941^2 + 1411^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416623 + ... + 416914.

Almost surely, 2^121696402 is an apocalyptic number.

121696402 is a deficient number, since it is larger than the sum of its proper divisors (63349034).

121696402 is an equidigital number, since it uses as much as digits as its factorization.

121696402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833612.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 121696402 is about 11031.6092207801. The cubic root of 121696402 is about 495.5558181975. Note that the first 3 decimals are identical.

The spelling of 121696402 in words is "one hundred twenty-one million, six hundred ninety-six thousand, four hundred two".