1020790737 has 6 divisors (see below), whose sum is σ = 1474475522. Its totient is φ = 680527152.

The previous prime is 1020790733. The next prime is 1020790741. The reversal of 1020790737 is 7370970201.

1020790737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1020790733) and next prime (1020790741).

It can be written as a sum of positive squares in only one way, i.e., 956293776 + 64496961 = 30924^2 + 8031^2 .

It is not a de Polignac number, because 1020790737 - 2² = 1020790733 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020790733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56710588 + ... + 56710605.

Almost surely, 2^1020790737 is an apocalyptic number.

It is an amenable number.

1020790737 is a deficient number, since it is larger than the sum of its proper divisors (453684785).

1020790737 is a wasteful number, since it uses less digits than its factorization.

1020790737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113421199 (or 113421196 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 1020790737 is about 31949.8159149626. The cubic root of 1020790737 is about 1006.8827645346.

The spelling of 1020790737 in words is "one billion, twenty million, seven hundred ninety thousand, seven hundred thirty-seven".