123456792 has 32 divisors (see below), whose sum is σ = 313876800. Its totient is φ = 40454304.

The previous prime is 123456791. The next prime is 123456803. The reversal of 123456792 is 297654321.

It is a self number, because there is not a number n which added to its sum of digits gives 123456792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123456791) 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, 42178 + ... + 45009.

It is an arithmetic number, because the mean of its divisors is an integer number (9808650).

Almost surely, 2^123456792 is an apocalyptic number.

123456792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123456792 is an abundant number, since it is smaller than the sum of its proper divisors (190420008).

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

123456792 is a wasteful number, since it uses less digits than its factorization.

123456792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87255 (or 87251 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 123456792 is about 11111.1111955556. Note that the first 4 decimals coincide. The cubic root of 123456792 is about 497.9338632514.

The spelling of 123456792 in words is "one hundred twenty-three million, four hundred fifty-six thousand, seven hundred ninety-two".