1123390748 has 36 divisors (see below), whose sum is σ = 2126108040. Its totient is φ = 518718816.

The previous prime is 1123390747. The next prime is 1123390769. The reversal of 1123390748 is 8470933211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123390747) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52211 + ... + 70517.

Almost surely, 2^1123390748 is an apocalyptic number.

It is an amenable number.

1123390748 is a deficient number, since it is larger than the sum of its proper divisors (1002717292).

1123390748 is a wasteful number, since it uses less digits than its factorization.

1123390748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18386 (or 18361 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 1123390748 is about 33517.0217650674. The cubic root of 1123390748 is about 1039.5457668735.

The spelling of 1123390748 in words is "one billion, one hundred twenty-three million, three hundred ninety thousand, seven hundred forty-eight".