1123661248 has 14 divisors (see below), whose sum is σ = 2229765416. Its totient is φ = 561830592.

The previous prime is 1123661243. The next prime is 1123661263. The reversal of 1123661248 is 8421663211.

It is a super-2 number, since 2×1123661248² = 2525229200513835008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123661243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8778540 + ... + 8778667.

Almost surely, 2^1123661248 is an apocalyptic number.

It is an amenable number.

1123661248 is a deficient number, since it is larger than the sum of its proper divisors (1106104168).

1123661248 is an equidigital number, since it uses as much as digits as its factorization.

1123661248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17557219 (or 17557209 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 1123661248 is about 33521.0567852507. The cubic root of 1123661248 is about 1039.6291971978.

The spelling of 1123661248 in words is "one billion, one hundred twenty-three million, six hundred sixty-one thousand, two hundred forty-eight".