1011243002 has 48 divisors (see below), whose sum is σ = 1954414656. Its totient is φ = 381225600.

The previous prime is 1011242987. The next prime is 1011243017. The reversal of 1011243002 is 2003421101.

It is an interprime number because it is at equal distance from previous prime (1011242987) and next prime (1011243017).

It is a super-2 number, since 2×1011243002² = 2045224818187944008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144578 + ... + 151410.

It is an arithmetic number, because the mean of its divisors is an integer number (40716972).

Almost surely, 2^1011243002 is an apocalyptic number.

1011243002 is a deficient number, since it is larger than the sum of its proper divisors (943171654).

1011243002 is a wasteful number, since it uses less digits than its factorization.

1011243002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915 (or 6884 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1011243002 is about 31800.0472012228. The cubic root of 1011243002 is about 1003.7337093974.

Adding to 1011243002 its reverse (2003421101), we get a palindrome (3014664103).

The spelling of 1011243002 in words is "one billion, eleven million, two hundred forty-three thousand, two".