125140120 has 80 divisors (see below), whose sum is σ = 328725360. Its totient is φ = 42872256.

The previous prime is 125140109. The next prime is 125140123. The reversal of 125140120 is 21041521.

It is a super-2 number, since 2×125140120² = 31320099267228800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125140094 and 125140103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125140123) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 95389 + ... + 96691.

It is an arithmetic number, because the mean of its divisors is an integer number (4109067).

Almost surely, 2^125140120 is an apocalyptic number.

125140120 is a gapful number since it is divisible by the number (10) 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 125140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164362680).

125140120 is an abundant number, since it is smaller than the sum of its proper divisors (203585240).

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

125140120 is an equidigital number, since it uses as much as digits as its factorization.

125140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 125140120 is about 11186.6044892988. The cubic root of 125140120 is about 500.1867569017.

Adding to 125140120 its reverse (21041521), we get a palindrome (146181641).

The spelling of 125140120 in words is "one hundred twenty-five million, one hundred forty thousand, one hundred twenty".