125502040 has 16 divisors (see below), whose sum is σ = 282379680. Its totient is φ = 50200800.

The previous prime is 125502037. The next prime is 125502067. The reversal of 125502040 is 40205521.

It is a junction number, because it is equal to n+sod(n) for n = 125501999 and 125502017.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1568736 + ... + 1568815.

It is an arithmetic number, because the mean of its divisors is an integer number (17648730).

Almost surely, 2^125502040 is an apocalyptic number.

125502040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125502040 is an abundant number, since it is smaller than the sum of its proper divisors (156877640).

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

125502040 is a wasteful number, since it uses less digits than its factorization.

125502040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137562 (or 3137558 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 125502040 is about 11202.7693004899. The cubic root of 125502040 is about 500.6684925039.

Adding to 125502040 its reverse (40205521), we get a palindrome (165707561).

The spelling of 125502040 in words is "one hundred twenty-five million, five hundred two thousand, forty".