123799284 has 54 divisors (see below), whose sum is σ = 364034034. Its totient is φ = 35370720.

The previous prime is 123799261. The next prime is 123799301. The reversal of 123799284 is 482997321.

It can be written as a sum of positive squares in only one way, i.e., 102454884 + 21344400 = 10122^2 + 4620^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 33327 + ... + 36854.

It is an arithmetic number, because the mean of its divisors is an integer number (6741371).

Almost surely, 2^123799284 is an apocalyptic number.

123799284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

123799284 is an abundant number, since it is smaller than the sum of its proper divisors (240234750).

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

123799284 is a wasteful number, since it uses less digits than its factorization.

123799284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70205 (or 70193 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 123799284 is about 11126.5126612070. The cubic root of 123799284 is about 498.3938916896.

The spelling of 123799284 in words is "one hundred twenty-three million, seven hundred ninety-nine thousand, two hundred eighty-four".