30125880 has 96 divisors (see below), whose sum is σ = 99450000. Its totient is φ = 7907328.

The previous prime is 30125873. The next prime is 30125899. The reversal of 30125880 is 8852103.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23496 + ... + 24744.

Almost surely, 2^30125880 is an apocalyptic number.

30125880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30125880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49725000).

30125880 is an abundant number, since it is smaller than the sum of its proper divisors (69324120).

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

30125880 is a wasteful number, since it uses less digits than its factorization.

30125880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 30125880 is about 5488.7047652429. The cubic root of 30125880 is about 311.1572424035.

Adding to 30125880 its reverse (8852103), we get a palindrome (38977983).

The spelling of 30125880 in words is "thirty million, one hundred twenty-five thousand, eight hundred eighty".