451001012 has 24 divisors (see below), whose sum is σ = 984002880. Its totient is φ = 175714560.

The previous prime is 451000909. The next prime is 451001059. The reversal of 451001012 is 210100154.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731837 + ... + 732452.

It is an arithmetic number, because the mean of its divisors is an integer number (41000120).

Almost surely, 2^451001012 is an apocalyptic number.

It is an amenable number.

451001012 is an abundant number, since it is smaller than the sum of its proper divisors (533001868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451001012 is a wasteful number, since it uses less digits than its factorization.

451001012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464311 (or 1464309 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 451001012 is about 21236.7844081914. The cubic root of 451001012 is about 766.8772226553.

Adding to 451001012 its reverse (210100154), we get a palindrome (661101166).

The spelling of 451001012 in words is "four hundred fifty-one million, one thousand, twelve".