1001131004 has 12 divisors (see below), whose sum is σ = 1762728744. Its totient is φ = 497494224.

The previous prime is 1001130997. The next prime is 1001131013. The reversal of 1001131004 is 4001311001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767087 + ... + 768390.

It is an arithmetic number, because the mean of its divisors is an integer number (146894062).

Almost surely, 2^1001131004 is an apocalyptic number.

It is an amenable number.

1001131004 is a deficient number, since it is larger than the sum of its proper divisors (761597740).

1001131004 is a wasteful number, since it uses less digits than its factorization.

1001131004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535644 (or 1535642 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1001131004 is about 31640.6542915914. The cubic root of 1001131004 is about 1000.3768592926.

Adding to 1001131004 its reverse (4001311001), we get a palindrome (5002442005).

The spelling of 1001131004 in words is "one billion, one million, one hundred thirty-one thousand, four".