945320121 has 12 divisors (see below), whose sum is σ = 1366058772. Its totient is φ = 629938176.

The previous prime is 945320113. The next prime is 945320147. The reversal of 945320121 is 121023549.

945320121 is a `hidden beast` number, since 9 + 4 + 532 + 0 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 781761600 + 163558521 = 27960^2 + 12789^2 .

It is not a de Polignac number, because 945320121 - 2³ = 945320113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (945320161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25 + ... + 43481.

It is an arithmetic number, because the mean of its divisors is an integer number (113838231).

Almost surely, 2^945320121 is an apocalyptic number.

It is an amenable number.

945320121 is a deficient number, since it is larger than the sum of its proper divisors (420738651).

945320121 is a wasteful number, since it uses less digits than its factorization.

945320121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45880 (or 45877 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 945320121 is about 30746.0586254564. The cubic root of 945320121 is about 981.4306886968.

The spelling of 945320121 in words is "nine hundred forty-five million, three hundred twenty thousand, one hundred twenty-one".