1000945051 has 4 divisors (see below), whose sum is σ = 1001246400. Its totient is φ = 1000643704.

The previous prime is 1000945009. The next prime is 1000945067. The reversal of 1000945051 is 1505490001.

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 1000945051 - 2²⁹ = 464074139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000942051) 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, 145636 + ... + 152353.

It is an arithmetic number, because the mean of its divisors is an integer number (250311600).

Almost surely, 2^1000945051 is an apocalyptic number.

1000945051 is a deficient number, since it is larger than the sum of its proper divisors (301349).

1000945051 is an equidigital number, since it uses as much as digits as its factorization.

1000945051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301348.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1000945051 is about 31637.7156413038. The cubic root of 1000945051 is about 1000.3149178164.

The spelling of 1000945051 in words is "one billion, nine hundred forty-five thousand, fifty-one".