123937902 has 48 divisors (see below), whose sum is σ = 294980400. Its totient is φ = 37296000.

The previous prime is 123937889. The next prime is 123937951. The reversal of 123937902 is 209739321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27402 + ... + 31602.

It is an arithmetic number, because the mean of its divisors is an integer number (6145425).

Almost surely, 2^123937902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123937902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147490200).

123937902 is an abundant number, since it is smaller than the sum of its proper divisors (171042498).

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

123937902 is a wasteful number, since it uses less digits than its factorization.

123937902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4366 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 123937902 is about 11132.7400939751. The cubic root of 123937902 is about 498.5798394403.

The spelling of 123937902 in words is "one hundred twenty-three million, nine hundred thirty-seven thousand, nine hundred two".