1162264143 has 16 divisors (see below), whose sum is σ = 1727205120. Its totient is φ = 690880896.

The previous prime is 1162264139. The next prime is 1162264151. The reversal of 1162264143 is 3414622611.

It is not a de Polignac number, because 1162264143 - 2² = 1162264139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1162264143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1162264123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 598755 + ... + 600692.

It is an arithmetic number, because the mean of its divisors is an integer number (107950320).

Almost surely, 2^1162264143 is an apocalyptic number.

1162264143 is a deficient number, since it is larger than the sum of its proper divisors (564940977).

1162264143 is a wasteful number, since it uses less digits than its factorization.

1162264143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199486.

The product of its digits is 6912, while the sum is 30.

The square root of 1162264143 is about 34091.9952921503. The cubic root of 1162264143 is about 1051.4007436707.

Adding to 1162264143 its reverse (3414622611), we get a palindrome (4576886754).

The spelling of 1162264143 in words is "one billion, one hundred sixty-two million, two hundred sixty-four thousand, one hundred forty-three".