3125787 has 16 divisors (see below), whose sum is σ = 4830720. Its totient is φ = 1760832.

The previous prime is 3125779. The next prime is 3125789. The reversal of 3125787 is 7875213.

It is not a de Polignac number, because 3125787 - 2³ = 3125779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3125789) by changing a digit.

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, 514 + ... + 2552.

It is an arithmetic number, because the mean of its divisors is an integer number (301920).

Almost surely, 2^3125787 is an apocalyptic number.

3125787 is a deficient number, since it is larger than the sum of its proper divisors (1704933).

3125787 is a wasteful number, since it uses less digits than its factorization.

3125787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its digits is 11760, while the sum is 33.

The square root of 3125787 is about 1767.9895361681. The cubic root of 3125787 is about 146.2131589576.

The spelling of 3125787 in words is "three million, one hundred twenty-five thousand, seven hundred eighty-seven".