1097260969 has 6 divisors (see below), whose sum is σ = 1276405674. Its totient is φ = 940509360.

The previous prime is 1097260949. The next prime is 1097260999. The reversal of 1097260969 is 9690627901.

It can be written as a sum of positive squares in only one way, i.e., 737665600 + 359595369 = 27160^2 + 18963^2 .

It is not a de Polignac number, because 1097260969 - 2¹⁵ = 1097228201 is a prime.

It is a super-2 number, since 2×1097260969² = 2407963268181637922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49), and also a Moran number because the ratio is a prime number: 22393081 = 1097260969 / (1 + 0 + 9 + 7 + 2 + 6 + 0 + 9 + 6 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097260949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11196492 + ... + 11196589.

It is an arithmetic number, because the mean of its divisors is an integer number (212734279).

Almost surely, 2^1097260969 is an apocalyptic number.

It is an amenable number.

1097260969 is a deficient number, since it is larger than the sum of its proper divisors (179144705).

1097260969 is an equidigital number, since it uses as much as digits as its factorization.

1097260969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22393095 (or 22393088 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 49.

The square root of 1097260969 is about 33124.9297206802. The cubic root of 1097260969 is about 1031.4226011241.

The spelling of 1097260969 in words is "one billion, ninety-seven million, two hundred sixty thousand, nine hundred sixty-nine".