125840470 has 32 divisors (see below), whose sum is σ = 267227136. Its totient is φ = 41752800.

The previous prime is 125840447. The next prime is 125840509. The reversal of 125840470 is 74048521.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26826 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (8350848).

Almost surely, 2^125840470 is an apocalyptic number.

125840470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125840470 is an abundant number, since it is smaller than the sum of its proper divisors (141386666).

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

125840470 is a wasteful number, since it uses less digits than its factorization.

125840470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58036.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 125840470 is about 11217.8638786535. The cubic root of 125840470 is about 501.1181243985.

Adding to 125840470 its reverse (74048521), we get a palindrome (199888991).

The spelling of 125840470 in words is "one hundred twenty-five million, eight hundred forty thousand, four hundred seventy".