125001200 has 120 divisors (see below), whose sum is σ = 314592960. Its totient is φ = 47692800.

The previous prime is 125001199. The next prime is 125001211. The reversal of 125001200 is 2100521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146746 + ... + 1146854.

It is an arithmetic number, because the mean of its divisors is an integer number (2621608).

Almost surely, 2^125001200 is an apocalyptic number.

125001200 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 125001200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157296480).

125001200 is an abundant number, since it is smaller than the sum of its proper divisors (189591760).

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

125001200 is a wasteful number, since it uses less digits than its factorization.

125001200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 125001200 is about 11180.3935530016. The cubic root of 125001200 is about 500.0015999949.

Adding to 125001200 its reverse (2100521), we get a palindrome (127101721).

The spelling of 125001200 in words is "one hundred twenty-five million, one thousand, two hundred".