121551202 has 8 divisors (see below), whose sum is σ = 182426112. Its totient is φ = 60742500.

The previous prime is 121551197. The next prime is 121551229. The reversal of 121551202 is 202155121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 121551202.

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, 11674 + ... + 19477.

It is an arithmetic number, because the mean of its divisors is an integer number (22803264).

Almost surely, 2^121551202 is an apocalyptic number.

121551202 is a deficient number, since it is larger than the sum of its proper divisors (60874910).

121551202 is a wasteful number, since it uses less digits than its factorization.

121551202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33104.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 121551202 is about 11025.0261677694. The cubic root of 121551202 is about 495.3586517522.

The spelling of 121551202 in words is "one hundred twenty-one million, five hundred fifty-one thousand, two hundred two".