125332542120 has 64 divisors (see below), whose sum is σ = 377966269440. Its totient is φ = 33247020800.

The previous prime is 125332542107. The next prime is 125332542217. The reversal of 125332542120 is 21245233521.

It is a super-2 number, since 2×125332542120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 15 ways as a sum of consecutive naturals, for example, 2711211 + ... + 2757050.

It is an arithmetic number, because the mean of its divisors is an integer number (5905722960).

Almost surely, 2^125332542120 is an apocalyptic number.

125332542120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125332542120 is an abundant number, since it is smaller than the sum of its proper divisors (252633727320).

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

125332542120 is a wasteful number, since it uses less digits than its factorization.

125332542120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468466 (or 5468462 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 125332542120 its reverse (21245233521), we get a palindrome (146577775641).

The spelling of 125332542120 in words is "one hundred twenty-five billion, three hundred thirty-two million, five hundred forty-two thousand, one hundred twenty".