125043140 has 24 divisors (see below), whose sum is σ = 268699200. Its totient is φ = 48853728.

The previous prime is 125043137. The next prime is 125043167. The reversal of 125043140 is 41340521.

It is a super-3 number, since 3×125043140³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71840 + ... + 73559.

It is an arithmetic number, because the mean of its divisors is an integer number (11195800).

Almost surely, 2^125043140 is an apocalyptic number.

125043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125043140 is an abundant number, since it is smaller than the sum of its proper divisors (143656060).

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

125043140 is a wasteful number, since it uses less digits than its factorization.

125043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145451 (or 145449 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 125043140 is about 11182.2690005204. The cubic root of 125043140 is about 500.0575133842.

Adding to 125043140 its reverse (41340521), we get a palindrome (166383661).

The spelling of 125043140 in words is "one hundred twenty-five million, forty-three thousand, one hundred forty".