30120276125 has 16 divisors (see below), whose sum is σ = 37595553840. Its totient is φ = 24092728000.

The previous prime is 30120276089. The next prime is 30120276149. The reversal of 30120276125 is 52167202103.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2989574329 + 27130701796 = 54677^2 + 164714^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30120276125 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169891 + ... + 1195359.

It is an arithmetic number, because the mean of its divisors is an integer number (2349722115).

Almost surely, 2^30120276125 is an apocalyptic number.

It is an amenable number.

30120276125 is a deficient number, since it is larger than the sum of its proper divisors (7475277715).

30120276125 is an equidigital number, since it uses as much as digits as its factorization.

30120276125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34945 (or 34935 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 30120276125 its reverse (52167202103), we get a palindrome (82287478228).

The spelling of 30120276125 in words is "thirty billion, one hundred twenty million, two hundred seventy-six thousand, one hundred twenty-five".