1040243001 has 24 divisors (see below), whose sum is σ = 1620188064. Its totient is φ = 591937920.

The previous prime is 1040242999. The next prime is 1040243003. The reversal of 1040243001 is 1003420401.

It is an interprime number because it is at equal distance from previous prime (1040242999) and next prime (1040243003).

It is not a de Polignac number, because 1040243001 - 2¹ = 1040242999 is a prime.

It is a super-2 number, since 2×1040243001² = 2164211002258972002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1040243003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20746 + ... + 50108.

It is an arithmetic number, because the mean of its divisors is an integer number (67507836).

Almost surely, 2^1040243001 is an apocalyptic number.

It is an amenable number.

1040243001 is a deficient number, since it is larger than the sum of its proper divisors (579945063).

1040243001 is a wasteful number, since it uses less digits than its factorization.

1040243001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29621 (or 29614 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1040243001 is about 32252.7983437097. The cubic root of 1040243001 is about 1013.2383075303.

Adding to 1040243001 its reverse (1003420401), we get a palindrome (2043663402).

The spelling of 1040243001 in words is "one billion, forty million, two hundred forty-three thousand, one".