720001051 has 24 divisors (see below), whose sum is σ = 967452336. Its totient is φ = 528030720.

The previous prime is 720001043. The next prime is 720001063. The reversal of 720001051 is 150100027.

720001051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 720001051 - 2³ = 720001043 is a prime.

It is a super-2 number, since 2×720001051² = 1036803026882209202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (720001151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30126 + ... + 48451.

It is an arithmetic number, because the mean of its divisors is an integer number (40310514).

Almost surely, 2^720001051 is an apocalyptic number.

720001051 is a deficient number, since it is larger than the sum of its proper divisors (247451285).

720001051 is a wasteful number, since it uses less digits than its factorization.

720001051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78619 (or 78612 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 720001051 is about 26832.8353142190. The cubic root of 720001051 is about 896.2813854183.

Adding to 720001051 its reverse (150100027), we get a palindrome (870101078).

The spelling of 720001051 in words is "seven hundred twenty million, one thousand, fifty-one".