125328780 has 36 divisors (see below), whose sum is σ = 380164512. Its totient is φ = 33420960.

The previous prime is 125328757. The next prime is 125328781. The reversal of 125328780 is 87823521.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (125328781) 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, 347956 + ... + 348315.

Almost surely, 2^125328780 is an apocalyptic number.

125328780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125328780 is an abundant number, since it is smaller than the sum of its proper divisors (254835732).

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

125328780 is a wasteful number, since it uses less digits than its factorization.

125328780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696286 (or 696281 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 125328780 is about 11195.0337203601. The cubic root of 125328780 is about 500.4379895516.

It can be divided in two parts, 12532 and 8780, that added together give a palindrome (21312).

The spelling of 125328780 in words is "one hundred twenty-five million, three hundred twenty-eight thousand, seven hundred eighty".