123089760 has 96 divisors (see below), whose sum is σ = 430829280. Its totient is φ = 32822784.

The previous prime is 123089723. The next prime is 123089761. The reversal of 123089760 is 67980321.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123089761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9927 + ... + 18566.

It is an arithmetic number, because the mean of its divisors is an integer number (4487805).

Almost surely, 2^123089760 is an apocalyptic number.

123089760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123089760 is an abundant number, since it is smaller than the sum of its proper divisors (307739520).

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

123089760 is a wasteful number, since it uses less digits than its factorization.

123089760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28517 (or 28503 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 123089760 is about 11094.5824617243. The cubic root of 123089760 is about 497.4399277652.

The spelling of 123089760 in words is "one hundred twenty-three million, eighty-nine thousand, seven hundred sixty".