121251202 has 8 divisors (see below), whose sum is σ = 182928636. Its totient is φ = 60274992.

The previous prime is 121251139. The next prime is 121251209. The reversal of 121251202 is 202152121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85359121 + 35892081 = 9239^2 + 5991^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121251209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174873 + ... + 175564.

Almost surely, 2^121251202 is an apocalyptic number.

121251202 is a deficient number, since it is larger than the sum of its proper divisors (61677434).

121251202 is a wasteful number, since it uses less digits than its factorization.

121251202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350612.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 121251202 is about 11011.4123526458. The cubic root of 121251202 is about 494.9507851625.

The spelling of 121251202 in words is "one hundred twenty-one million, two hundred fifty-one thousand, two hundred two".