1051320737 has 2 divisors, whose sum is σ = 1051320738. Its totient is φ = 1051320736.

The previous prime is 1051320713. The next prime is 1051320757. The reversal of 1051320737 is 7370231501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 899760016 + 151560721 = 29996^2 + 12311^2 .

It is an emirp because it is prime and its reverse (7370231501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1051320737 - 2²² = 1047126433 is a prime.

It is a super-2 number, since 2×1051320737² = 2210550584092446338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1051320707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525660368 + 525660369.

It is an arithmetic number, because the mean of its divisors is an integer number (525660369).

Almost surely, 2^1051320737 is an apocalyptic number.

It is an amenable number.

1051320737 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051320737 is an equidigital number, since it uses as much as digits as its factorization.

1051320737 is an evil number, because the sum of its binary digits is even.

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

The square root of 1051320737 is about 32424.0765018836. The cubic root of 1051320737 is about 1016.8223345379.

The spelling of 1051320737 in words is "one billion, fifty-one million, three hundred twenty thousand, seven hundred thirty-seven".