125540010 has 32 divisors (see below), whose sum is σ = 334774080. Its totient is φ = 33477264.

The previous prime is 125539993. The next prime is 125540021. The reversal of 125540010 is 10045521.

125540010 is a `hidden beast` number, since 1 + 255 + 400 + 10 = 666.

It is a super-2 number, since 2×125540010² = 31520588221600200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 15 ways as a sum of consecutive naturals, for example, 232212 + ... + 232751.

It is an arithmetic number, because the mean of its divisors is an integer number (10461690).

Almost surely, 2^125540010 is an apocalyptic number.

125540010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125540010 is an abundant number, since it is smaller than the sum of its proper divisors (209234070).

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

125540010 is a wasteful number, since it uses less digits than its factorization.

125540010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464979 (or 464973 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125540010 is about 11204.4638425942. The cubic root of 125540010 is about 500.7189789762.

Adding to 125540010 its reverse (10045521), we get a palindrome (135585531).

The spelling of 125540010 in words is "one hundred twenty-five million, five hundred forty thousand, ten".