1042512001 has 4 divisors (see below), whose sum is σ = 1052834004. Its totient is φ = 1032190000.

The previous prime is 1042511999. The next prime is 1042512011. The reversal of 1042512001 is 1002152401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 575952001 + 466560000 = 23999^2 + 21600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042512001 - 2¹ = 1042511999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042512011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160850 + ... + 5161051.

It is an arithmetic number, because the mean of its divisors is an integer number (263208501).

Almost surely, 2^1042512001 is an apocalyptic number.

It is an amenable number.

1042512001 is a deficient number, since it is larger than the sum of its proper divisors (10322003).

1042512001 is a wasteful number, since it uses less digits than its factorization.

1042512001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10322002.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 1042512001 is about 32287.9544257607. The cubic root of 1042512001 is about 1013.9744714748.

Adding to 1042512001 its reverse (1002152401), we get a palindrome (2044664402).

The spelling of 1042512001 in words is "one billion, forty-two million, five hundred twelve thousand, one".