125555010 has 64 divisors (see below), whose sum is σ = 345572352. Its totient is φ = 28598976.

The previous prime is 125554993. The next prime is 125555011. The reversal of 125555010 is 10555521.

It is a super-2 number, since 2×125555010² = 31528121072200200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125555011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72009 + ... + 73731.

It is an arithmetic number, because the mean of its divisors is an integer number (5399568).

Almost surely, 2^125555010 is an apocalyptic number.

125555010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125555010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172786176).

125555010 is an abundant number, since it is smaller than the sum of its proper divisors (220017342).

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

125555010 is a wasteful number, since it uses less digits than its factorization.

125555010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 125555010 is about 11205.1331986728. The cubic root of 125555010 is about 500.7389207875.

It can be divided in two parts, 1255 and 55010, that added together give a palindrome (56265).

The spelling of 125555010 in words is "one hundred twenty-five million, five hundred fifty-five thousand, ten".