123941200 has 30 divisors (see below), whose sum is σ = 297769694. Its totient is φ = 49576320.

The previous prime is 123941197. The next prime is 123941201. The reversal of 123941200 is 2149321.

It can be written as a sum of positive squares in 3 ways, for example, as 553536 + 123387664 = 744^2 + 11108^2 .

It is a super-2 number, since 2×123941200² = 30722842114880000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123941201) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154527 + ... + 155326.

Almost surely, 2^123941200 is an apocalyptic number.

123941200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123941200 is an abundant number, since it is smaller than the sum of its proper divisors (173828494).

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

123941200 is a wasteful number, since it uses less digits than its factorization.

123941200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309871 (or 309860 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 123941200 is about 11132.8882146548. Note that the first 3 decimals coincide. The cubic root of 123941200 is about 498.5842618209.

The spelling of 123941200 in words is "one hundred twenty-three million, nine hundred forty-one thousand, two hundred".