125100010 has 16 divisors (see below), whose sum is σ = 257348736. Its totient is φ = 42891408.

The previous prime is 125099999. The next prime is 125100011. The reversal of 125100010 is 10001521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 125100010.

It is not an unprimeable number, because it can be changed into a prime (125100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 893502 + ... + 893641.

It is an arithmetic number, because the mean of its divisors is an integer number (16084296).

Almost surely, 2^125100010 is an apocalyptic number.

125100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125100010 is an abundant number, since it is smaller than the sum of its proper divisors (132248726).

125100010 is a wasteful number, since it uses less digits than its factorization.

125100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787157.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 125100010 is about 11184.8115764192. The cubic root of 125100010 is about 500.1333111198.

Adding to 125100010 its reverse (10001521), we get a palindrome (135101531).

The spelling of 125100010 in words is "one hundred twenty-five million, one hundred thousand, ten".