1131002046 has 24 divisors (see below), whose sum is σ = 2557049040. Its totient is φ = 360609216.

The previous prime is 1131002011. The next prime is 1131002063. The reversal of 1131002046 is 6402001311.

It is a happy number.

It is a super-2 number, since 2×1131002046² = 2558331256112372232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365531 + ... + 1366358.

It is an arithmetic number, because the mean of its divisors is an integer number (106543710).

Almost surely, 2^1131002046 is an apocalyptic number.

1131002046 is an abundant number, since it is smaller than the sum of its proper divisors (1426046994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131002046 is a wasteful number, since it uses less digits than its factorization.

1131002046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731920 (or 2731917 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1131002046 is about 33630.3738605446. The cubic root of 1131002046 is about 1041.8882258474. Note that the first 3 decimals are identical.

Adding to 1131002046 its reverse (6402001311), we get a palindrome (7533003357).

The spelling of 1131002046 in words is "one billion, one hundred thirty-one million, two thousand, forty-six".