125504030 has 24 divisors (see below), whose sum is σ = 239983128. Its totient is φ = 47247488.

The previous prime is 125504011. The next prime is 125504039. The reversal of 125504030 is 30405521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125503993 and 125504011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125504039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18824 + ... + 24603.

It is an arithmetic number, because the mean of its divisors is an integer number (9999297).

Almost surely, 2^125504030 is an apocalyptic number.

125504030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125504030 is a deficient number, since it is larger than the sum of its proper divisors (114479098).

125504030 is a wasteful number, since it uses less digits than its factorization.

125504030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43468 (or 43451 counting only the distinct ones).

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

The square root of 125504030 is about 11202.8581174627. The cubic root of 125504030 is about 500.6711387425.

Adding to 125504030 its reverse (30405521), we get a palindrome (155909551).

The spelling of 125504030 in words is "one hundred twenty-five million, five hundred four thousand, thirty".