1030861969 has 4 divisors (see below), whose sum is σ = 1032470820. Its totient is φ = 1029253120.

The previous prime is 1030861961. The next prime is 1030861973. The reversal of 1030861969 is 9691680301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 859251969 + 171610000 = 29313^2 + 13100^2 .

It is a cyclic number.

It is not a de Polignac number, because 1030861969 - 2³ = 1030861961 is a prime.

It is a super-2 number, since 2×1030861969² = 2125352798261113922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030861961) 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, 803464 + ... + 804745.

It is an arithmetic number, because the mean of its divisors is an integer number (258117705).

Almost surely, 2^1030861969 is an apocalyptic number.

It is an amenable number.

1030861969 is a deficient number, since it is larger than the sum of its proper divisors (1608851).

1030861969 is an equidigital number, since it uses as much as digits as its factorization.

1030861969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608850.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 1030861969 is about 32107.0392437546. The cubic root of 1030861969 is about 1010.1832719734.

The spelling of 1030861969 in words is "one billion, thirty million, eight hundred sixty-one thousand, nine hundred sixty-nine".