1001243692 has 6 divisors (see below), whose sum is σ = 1752176468. Its totient is φ = 500621844.

The previous prime is 1001243689. The next prime is 1001243699. The reversal of 1001243692 is 2963421001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001243692.

It is not an unprimeable number, because it can be changed into a prime (1001243699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125155458 + ... + 125155465.

Almost surely, 2^1001243692 is an apocalyptic number.

It is an amenable number.

1001243692 is a deficient number, since it is larger than the sum of its proper divisors (750932776).

1001243692 is a wasteful number, since it uses less digits than its factorization.

1001243692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250310927 (or 250310925 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1001243692 is about 31642.4349884771. The cubic root of 1001243692 is about 1000.4143922553.

Adding to 1001243692 its reverse (2963421001), we get a palindrome (3964664693).

The spelling of 1001243692 in words is "one billion, one million, two hundred forty-three thousand, six hundred ninety-two".