125551130 has 8 divisors (see below), whose sum is σ = 225992052. Its totient is φ = 50220448.

The previous prime is 125551123. The next prime is 125551133. The reversal of 125551130 is 31155521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118352641 + 7198489 = 10879^2 + 2683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 125551096 and 125551105.

It is not an unprimeable number, because it can be changed into a prime (125551133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6277547 + ... + 6277566.

Almost surely, 2^125551130 is an apocalyptic number.

125551130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125551130 is a deficient number, since it is larger than the sum of its proper divisors (100440922).

125551130 is a wasteful number, since it uses less digits than its factorization.

125551130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12555120.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 125551130 is about 11204.9600624009. The cubic root of 125551130 is about 500.7337626580.

The spelling of 125551130 in words is "one hundred twenty-five million, five hundred fifty-one thousand, one hundred thirty".