1131200017 has 4 divisors (see below), whose sum is σ = 1190736880. Its totient is φ = 1071663156.

The previous prime is 1131200003. The next prime is 1131200033. The reversal of 1131200017 is 7100021311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131200017 - 2¹⁵ = 1131167249 is a prime.

It is a super-2 number, since 2×1131200017² = 2559226956921600578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131200047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29768403 + ... + 29768440.

It is an arithmetic number, because the mean of its divisors is an integer number (297684220).

Almost surely, 2^1131200017 is an apocalyptic number.

It is an amenable number.

1131200017 is a deficient number, since it is larger than the sum of its proper divisors (59536863).

1131200017 is an equidigital number, since it uses as much as digits as its factorization.

1131200017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59536862.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1131200017 is about 33633.3170680502. The cubic root of 1131200017 is about 1041.9490131292.

Adding to 1131200017 its reverse (7100021311), we get a palindrome (8231221328).

The spelling of 1131200017 in words is "one billion, one hundred thirty-one million, two hundred thousand, seventeen".