1131233001 has 8 divisors (see below), whose sum is σ = 1587695520. Its totient is φ = 714462912.

The previous prime is 1131232969. The next prime is 1131233017. The reversal of 1131233001 is 1003321311.

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

It is not a de Polignac number, because 1131233001 - 2⁵ = 1131232969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131233041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9923040 + ... + 9923153.

It is an arithmetic number, because the mean of its divisors is an integer number (198461940).

Almost surely, 2^1131233001 is an apocalyptic number.

It is an amenable number.

1131233001 is a deficient number, since it is larger than the sum of its proper divisors (456462519).

1131233001 is a wasteful number, since it uses less digits than its factorization.

1131233001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19846215.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1131233001 is about 33633.8074115911. The cubic root of 1131233001 is about 1041.9591402248.

Adding to 1131233001 its reverse (1003321311), we get a palindrome (2134554312).

The spelling of 1131233001 in words is "one billion, one hundred thirty-one million, two hundred thirty-three thousand, one".