123897080 has 64 divisors (see below), whose sum is σ = 294900480. Its totient is φ = 46771200.

The previous prime is 123897079. The next prime is 123897083. The reversal of 123897080 is 80798321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123897083) 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, 49622 + ... + 52058.

It is an arithmetic number, because the mean of its divisors is an integer number (4607820).

Almost surely, 2^123897080 is an apocalyptic number.

123897080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123897080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147450240).

123897080 is an abundant number, since it is smaller than the sum of its proper divisors (171003400).

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

123897080 is a wasteful number, since it uses less digits than its factorization.

123897080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520 (or 2516 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 123897080 is about 11130.9065219325. The cubic root of 123897080 is about 498.5250935800.

The spelling of 123897080 in words is "one hundred twenty-three million, eight hundred ninety-seven thousand, eighty".