1004127664 has 10 divisors (see below), whose sum is σ = 1945497380. Its totient is φ = 502063824.

The previous prime is 1004127647. The next prime is 1004127671. The reversal of 1004127664 is 4667214001.

It is a super-2 number, since 2×1004127664² = 2016544731220193792, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 31378974 + ... + 31379005.

It is an arithmetic number, because the mean of its divisors is an integer number (194549738).

Almost surely, 2^1004127664 is an apocalyptic number.

It is an amenable number.

1004127664 is a deficient number, since it is larger than the sum of its proper divisors (941369716).

1004127664 is an equidigital number, since it uses as much as digits as its factorization.

1004127664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62757987 (or 62757981 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 1004127664 is about 31687.9734915315. The cubic root of 1004127664 is about 1001.3739992614.

The spelling of 1004127664 in words is "one billion, four million, one hundred twenty-seven thousand, six hundred sixty-four".