80125140 has 48 divisors (see below), whose sum is σ = 225449280. Its totient is φ = 21262080.

The previous prime is 80125121. The next prime is 80125153. The reversal of 80125140 is 4152108.

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 15 ways as a sum of consecutive naturals, for example, 9496 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (4696860).

Almost surely, 2^80125140 is an apocalyptic number.

It is an amenable number.

80125140 is an abundant number, since it is smaller than the sum of its proper divisors (145324140).

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

80125140 is a wasteful number, since it uses less digits than its factorization.

80125140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552 (or 6550 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 80125140 is about 8951.2647151115. The cubic root of 80125140 is about 431.1114925915. Note that the first 3 decimals are identical.

Adding to 80125140 its reverse (4152108), we get a palindrome (84277248).

The spelling of 80125140 in words is "eighty million, one hundred twenty-five thousand, one hundred forty".