121064851 has 4 divisors (see below), whose sum is σ = 124336912. Its totient is φ = 117792792.

The previous prime is 121064849. The next prime is 121064857. The reversal of 121064851 is 158460121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121064851 - 2¹ = 121064849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121064857) 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, 1635975 + ... + 1636048.

It is an arithmetic number, because the mean of its divisors is an integer number (31084228).

Almost surely, 2^121064851 is an apocalyptic number.

121064851 is a deficient number, since it is larger than the sum of its proper divisors (3272061).

121064851 is an equidigital number, since it uses as much as digits as its factorization.

121064851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272060.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 121064851 is about 11002.9473778620. The cubic root of 121064851 is about 494.6970918261.

The spelling of 121064851 in words is "one hundred twenty-one million, sixty-four thousand, eight hundred fifty-one".