1123446690 has 24 divisors (see below), whose sum is σ = 2920961628. Its totient is φ = 299585760.

The previous prime is 1123446679. The next prime is 1123446697. The reversal of 1123446690 is 966443211.

1123446690 is a `hidden beast` number, since 1 + 123 + 446 + 6 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1041417441 + 82029249 = 32271^2 + 9057^2 .

It is a super-2 number, since 2×1123446690² = 2524264930543912200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123446697) 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 11 ways as a sum of consecutive naturals, for example, 6241281 + ... + 6241460.

Almost surely, 2^1123446690 is an apocalyptic number.

1123446690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1123446690 is an abundant number, since it is smaller than the sum of its proper divisors (1797514938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1123446690 is a wasteful number, since it uses less digits than its factorization.

1123446690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12482754 (or 12482751 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1123446690 is about 33517.8562858665. The cubic root of 1123446690 is about 1039.5630221649.

The spelling of 1123446690 in words is "one billion, one hundred twenty-three million, four hundred forty-six thousand, six hundred ninety".