125011040 has 192 divisors, whose sum is σ = 375943680. Its totient is φ = 38154240.

The previous prime is 125011039. The next prime is 125011063. The reversal of 125011040 is 40110521.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899291 + ... + 899429.

It is an arithmetic number, because the mean of its divisors is an integer number (1958040).

Almost surely, 2^125011040 is an apocalyptic number.

125011040 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 125011040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187971840).

125011040 is an abundant number, since it is smaller than the sum of its proper divisors (250932640).

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

125011040 is a wasteful number, since it uses less digits than its factorization.

125011040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 125011040 is about 11180.8336004074. The cubic root of 125011040 is about 500.0147195667.

Adding to 125011040 its reverse (40110521), we get a palindrome (165121561).

The spelling of 125011040 in words is "one hundred twenty-five million, eleven thousand, forty".