125124030 has 48 divisors (see below), whose sum is σ = 326227824. Its totient is φ = 33273600.

The previous prime is 125124019. The next prime is 125124053. The reversal of 125124030 is 30421521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125123994 and 125124012.

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 23 ways as a sum of consecutive naturals, for example, 34357 + ... + 37823.

It is an arithmetic number, because the mean of its divisors is an integer number (6796413).

Almost surely, 2^125124030 is an apocalyptic number.

125124030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125124030 is an abundant number, since it is smaller than the sum of its proper divisors (201103794).

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

125124030 is a wasteful number, since it uses less digits than its factorization.

125124030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881 (or 3878 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125124030 is about 11185.8853024694. The cubic root of 125124030 is about 500.1653186668.

Adding to 125124030 its reverse (30421521), we get a palindrome (155545551).

It can be divided in two parts, 1251 and 24030, that added together give a square (25281 = 159²).

The spelling of 125124030 in words is "one hundred twenty-five million, one hundred twenty-four thousand, thirty".