1131123002 has 8 divisors (see below), whose sum is σ = 1699079700. Its totient is φ = 564763104.

The previous prime is 1131122981. The next prime is 1131123023. The reversal of 1131123002 is 2003211311.

It is an interprime number because it is at equal distance from previous prime (1131122981) and next prime (1131123023).

It can be written as a sum of positive squares in 2 ways, for example, as 1110155761 + 20967241 = 33319^2 + 4579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397427 + ... + 400262.

Almost surely, 2^1131123002 is an apocalyptic number.

1131123002 is a deficient number, since it is larger than the sum of its proper divisors (567956698).

1131123002 is an equidigital number, since it uses as much as digits as its factorization.

1131123002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798400.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1131123002 is about 33632.1721272950. The cubic root of 1131123002 is about 1041.9253664050.

Adding to 1131123002 its reverse (2003211311), we get a palindrome (3134334313).

The spelling of 1131123002 in words is "one billion, one hundred thirty-one million, one hundred twenty-three thousand, two".