123990750 has 192 divisors, whose sum is σ = 376818624. Its totient is φ = 30326400.

The previous prime is 123990749. The next prime is 123990761. The reversal of 123990750 is 57099321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 789672 + ... + 789828.

It is an arithmetic number, because the mean of its divisors is an integer number (1962597).

Almost surely, 2^123990750 is an apocalyptic number.

123990750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123990750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188409312).

123990750 is an abundant number, since it is smaller than the sum of its proper divisors (252827874).

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

123990750 is a wasteful number, since it uses less digits than its factorization.

123990750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 123990750 is about 11135.1133806531. The cubic root of 123990750 is about 498.6506953628.

The spelling of 123990750 in words is "one hundred twenty-three million, nine hundred ninety thousand, seven hundred fifty".