3045665121 has 4 divisors (see below), whose sum is σ = 4060886832. Its totient is φ = 2030443412.

The previous prime is 3045664969. The next prime is 3045665123. The reversal of 3045665121 is 1215665403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3045665121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3045665123) 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, 507610851 + ... + 507610856.

It is an arithmetic number, because the mean of its divisors is an integer number (1015221708).

Almost surely, 2^3045665121 is an apocalyptic number.

It is an amenable number.

3045665121 is a deficient number, since it is larger than the sum of its proper divisors (1015221711).

3045665121 is a wasteful number, since it uses less digits than its factorization.

3045665121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015221710.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 3045665121 is about 55187.5449807291. The cubic root of 3045665121 is about 1449.5305846338.

The spelling of 3045665121 in words is "three billion, forty-five million, six hundred sixty-five thousand, one hundred twenty-one".