125278099200 has 270 divisors, whose sum is σ = 463212130304. Its totient is φ = 33407354880.

The previous prime is 125278099169. The next prime is 125278099223. The reversal of 125278099200 is 2990872521.

It is a happy number.

125278099200 is a `hidden beast` number, since 12 + 527 + 8 + 0 + 99 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (270).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 397569 + ... + 639231.

Almost surely, 2^125278099200 is an apocalyptic number.

125278099200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125278099200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231606065152).

125278099200 is an abundant number, since it is smaller than the sum of its proper divisors (337934031104).

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

125278099200 is an equidigital number, since it uses as much as digits as its factorization.

125278099200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241701 (or 241673 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 125278099200 in words is "one hundred twenty-five billion, two hundred seventy-eight million, ninety-nine thousand, two hundred".