125105200 has 60 divisors (see below), whose sum is σ = 327900888. Its totient is φ = 45491200.

The previous prime is 125105179. The next prime is 125105203. The reversal of 125105200 is 2501521.

It is a super-2 number, since 2×125105200² = 31302622134080000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (125105203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9817 + ... + 18616.

Almost surely, 2^125105200 is an apocalyptic number.

125105200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125105200 is an abundant number, since it is smaller than the sum of its proper divisors (202795688).

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

125105200 is a wasteful number, since it uses less digits than its factorization.

125105200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28462 (or 28451 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 125105200 is about 11185.0435850738. The cubic root of 125105200 is about 500.1402273356.

Adding to 125105200 its reverse (2501521), we get a palindrome (127606721).

The spelling of 125105200 in words is "one hundred twenty-five million, one hundred five thousand, two hundred".