1051372073 has 4 divisors (see below), whose sum is σ = 1057245840. Its totient is φ = 1045498308.

The previous prime is 1051372033. The next prime is 1051372081. The reversal of 1051372073 is 3702731501.

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 not a de Polignac number, because 1051372073 - 2¹⁴ = 1051355689 is a prime.

It is a super-2 number, since 2×1051372073² = 2210766471768634658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051372013) 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, 2936615 + ... + 2936972.

It is an arithmetic number, because the mean of its divisors is an integer number (264311460).

Almost surely, 2^1051372073 is an apocalyptic number.

It is an amenable number.

1051372073 is a deficient number, since it is larger than the sum of its proper divisors (5873767).

1051372073 is an equidigital number, since it uses as much as digits as its factorization.

1051372073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5873766.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 1051372073 is about 32424.8681261775. The cubic root of 1051372073 is about 1016.8388847495.

The spelling of 1051372073 in words is "one billion, fifty-one million, three hundred seventy-two thousand, seventy-three".