1123456792 has 32 divisors (see below), whose sum is σ = 2177280000. Its totient is φ = 543137824.

The previous prime is 1123456769. The next prime is 1123456793. The reversal of 1123456792 is 2976543211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123456793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13209 + ... + 49207.

It is an arithmetic number, because the mean of its divisors is an integer number (68040000).

Almost surely, 2^1123456792 is an apocalyptic number.

It is an amenable number.

1123456792 is a deficient number, since it is larger than the sum of its proper divisors (1053823208).

1123456792 is a wasteful number, since it uses less digits than its factorization.

1123456792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36135 (or 36131 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 1123456792 is about 33518.0069813227. The cubic root of 1123456792 is about 1039.5661380624.

The spelling of 1123456792 in words is "one billion, one hundred twenty-three million, four hundred fifty-six thousand, seven hundred ninety-two".