1040248969 has 4 divisors (see below), whose sum is σ = 1068363844. Its totient is φ = 1012134096.

The previous prime is 1040248949. The next prime is 1040248973. The reversal of 1040248969 is 9698420401.

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 770895225 + 269353744 = 27765^2 + 16412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040248969 - 2²¹ = 1038151817 is a prime.

It is a super-2 number, since 2×1040248969² = 2164235835011125922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040248949) 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, 14057382 + ... + 14057455.

It is an arithmetic number, because the mean of its divisors is an integer number (267090961).

Almost surely, 2^1040248969 is an apocalyptic number.

It is an amenable number.

1040248969 is a deficient number, since it is larger than the sum of its proper divisors (28114875).

1040248969 is an equidigital number, since it uses as much as digits as its factorization.

1040248969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28114874.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1040248969 is about 32252.8908626808. The cubic root of 1040248969 is about 1013.2402452169.

The spelling of 1040248969 in words is "one billion, forty million, two hundred forty-eight thousand, nine hundred sixty-nine".