1000572001 has 16 divisors (see below), whose sum is σ = 1197685440. Its totient is φ = 823792320.

The previous prime is 1000571989. The next prime is 1000572011. The reversal of 1000572001 is 1002750001.

It is not a de Polignac number, because 1000572001 - 2²¹ = 998474849 is a prime.

It is a super-2 number, since 2×1000572001² = 2002288658370288002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000572011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58431 + ... + 73588.

It is an arithmetic number, because the mean of its divisors is an integer number (74855340).

Almost surely, 2^1000572001 is an apocalyptic number.

1000572001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000572001 is a deficient number, since it is larger than the sum of its proper divisors (197113439).

1000572001 is a wasteful number, since it uses less digits than its factorization.

1000572001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132096.

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1000572001 is about 31631.8194386602. The cubic root of 1000572001 is about 1000.1906306576.

The spelling of 1000572001 in words is "one billion, five hundred seventy-two thousand, one".