125540030 has 64 divisors (see below), whose sum is σ = 296593920. Its totient is φ = 37065600.

The previous prime is 125540027. The next prime is 125540047. The reversal of 125540030 is 30045521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125539984 and 125540011.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 10340 + ... + 18920.

It is an arithmetic number, because the mean of its divisors is an integer number (4634280).

Almost surely, 2^125540030 is an apocalyptic number.

125540030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125540030 is an abundant number, since it is smaller than the sum of its proper divisors (171053890).

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

125540030 is a wasteful number, since it uses less digits than its factorization.

125540030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 125540030 is about 11204.4647350956. The cubic root of 125540030 is about 500.7190055664.

Adding to 125540030 its reverse (30045521), we get a palindrome (155585551).

The spelling of 125540030 in words is "one hundred twenty-five million, five hundred forty thousand, thirty".