125340440 has 32 divisors (see below), whose sum is σ = 291116160. Its totient is φ = 48518400.

The previous prime is 125340437. The next prime is 125340461. The reversal of 125340440 is 44043521.

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 7 ways as a sum of consecutive naturals, for example, 49301 + ... + 51780.

It is an arithmetic number, because the mean of its divisors is an integer number (9097380).

Almost surely, 2^125340440 is an apocalyptic number.

125340440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125340440 is an abundant number, since it is smaller than the sum of its proper divisors (165775720).

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

125340440 is a wasteful number, since it uses less digits than its factorization.

125340440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101123 (or 101119 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 125340440 is about 11195.5544748798. The cubic root of 125340440 is about 500.4535085357.

Adding to 125340440 its reverse (44043521), we get a palindrome (169383961).

The spelling of 125340440 in words is "one hundred twenty-five million, three hundred forty thousand, four hundred forty".