1025199064 has 16 divisors (see below), whose sum is σ = 1939885200. Its totient is φ = 507896352.

The previous prime is 1025199041. The next prime is 1025199073. The reversal of 1025199064 is 4609915201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586972 + ... + 588715.

It is an arithmetic number, because the mean of its divisors is an integer number (121242825).

Almost surely, 2^1025199064 is an apocalyptic number.

It is an amenable number.

1025199064 is a deficient number, since it is larger than the sum of its proper divisors (914686136).

1025199064 is a wasteful number, since it uses less digits than its factorization.

1025199064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175802 (or 1175798 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 1025199064 is about 32018.7298936107. The cubic root of 1025199064 is about 1008.3301046789.

The spelling of 1025199064 in words is "one billion, twenty-five million, one hundred ninety-nine thousand, sixty-four".