1131234001 has 16 divisors (see below), whose sum is σ = 1223164800. Its totient is φ = 1042991488.

The previous prime is 1131233977. The next prime is 1131234017. The reversal of 1131234001 is 1004321311.

It is a de Polignac number, because none of the positive numbers 2^k-1131234001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131234301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570630 + ... + 572608.

It is an arithmetic number, because the mean of its divisors is an integer number (76447800).

Almost surely, 2^1131234001 is an apocalyptic number.

It is an amenable number.

1131234001 is a deficient number, since it is larger than the sum of its proper divisors (91930799).

1131234001 is a wasteful number, since it uses less digits than its factorization.

1131234001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1131234001 is about 33633.8222775824. The cubic root of 1131234001 is about 1041.9594472523.

Adding to 1131234001 its reverse (1004321311), we get a palindrome (2135555312).

The spelling of 1131234001 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, one".