123280892 has 48 divisors (see below), whose sum is σ = 266595840. Its totient is φ = 48693312.

The previous prime is 123280879. The next prime is 123280901. The reversal of 123280892 is 298082321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16553 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (5554080).

Almost surely, 2^123280892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123280892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133297920).

123280892 is an abundant number, since it is smaller than the sum of its proper divisors (143314948).

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

123280892 is a wasteful number, since it uses less digits than its factorization.

123280892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330 (or 6328 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 123280892 is about 11103.1928741241. The cubic root of 123280892 is about 497.6972671232.

The spelling of 123280892 in words is "one hundred twenty-three million, two hundred eighty thousand, eight hundred ninety-two".