125003040 has 96 divisors (see below), whose sum is σ = 416949120. Its totient is φ = 31371264.

The previous prime is 125003017. The next prime is 125003051. The reversal of 125003040 is 40300521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501 + ... + 15819.

It is an arithmetic number, because the mean of its divisors is an integer number (4343220).

Almost surely, 2^125003040 is an apocalyptic number.

125003040 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 125003040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208474560).

125003040 is an abundant number, since it is smaller than the sum of its proper divisors (291946080).

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

125003040 is a wasteful number, since it uses less digits than its factorization.

125003040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15354 (or 15346 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 125003040 is about 11180.4758396054. The cubic root of 125003040 is about 500.0040533005.

Adding to 125003040 its reverse (40300521), we get a palindrome (165303561).

The spelling of 125003040 in words is "one hundred twenty-five million, three thousand, forty".