121209602 has 8 divisors (see below), whose sum is σ = 182903616. Its totient is φ = 60241732.

The previous prime is 121209587. The next prime is 121209611. The reversal of 121209602 is 206902121.

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, 181118 + ... + 181785.

It is an arithmetic number, because the mean of its divisors is an integer number (22862952).

Almost surely, 2^121209602 is an apocalyptic number.

121209602 is a deficient number, since it is larger than the sum of its proper divisors (61694014).

121209602 is a wasteful number, since it uses less digits than its factorization.

121209602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363072.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 121209602 is about 11009.5232412671. The cubic root of 121209602 is about 494.8941745681.

The spelling of 121209602 in words is "one hundred twenty-one million, two hundred nine thousand, six hundred two".