121152146 has 8 divisors (see below), whose sum is σ = 182483004. Its totient is φ = 60324480.

The previous prime is 121152139. The next prime is 121152167. The reversal of 121152146 is 641251121.

It can be written as a sum of positive squares in 2 ways, for example, as 113529025 + 7623121 = 10655^2 + 2761^2 .

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, 125195 + ... + 126158.

Almost surely, 2^121152146 is an apocalyptic number.

121152146 is a deficient number, since it is larger than the sum of its proper divisors (61330858).

121152146 is a wasteful number, since it uses less digits than its factorization.

121152146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251596.

The product of its digits is 480, while the sum is 23.

The square root of 121152146 is about 11006.9135546710. The cubic root of 121152146 is about 494.8159653248.

The spelling of 121152146 in words is "one hundred twenty-one million, one hundred fifty-two thousand, one hundred forty-six".