1090792247 has 4 divisors (see below), whose sum is σ = 1090884720. Its totient is φ = 1090699776.

The previous prime is 1090792229. The next prime is 1090792279. The reversal of 1090792247 is 7422970901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7422970901 = 19 ⋅390682679.

It is a cyclic number.

It is not a de Polignac number, because 1090792247 - 2⁸ = 1090791991 is a prime.

It is a super-2 number, since 2×1090792247² = 2379655452230618018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090792217) 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, 25418 + ... + 53175.

It is an arithmetic number, because the mean of its divisors is an integer number (272721180).

Almost surely, 2^1090792247 is an apocalyptic number.

1090792247 is a deficient number, since it is larger than the sum of its proper divisors (92473).

1090792247 is an equidigital number, since it uses as much as digits as its factorization.

1090792247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92472.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1090792247 is about 33027.1440939116. The cubic root of 1090792247 is about 1029.3917441171.

The spelling of 1090792247 in words is "one billion, ninety million, seven hundred ninety-two thousand, two hundred forty-seven".