1264163 has 4 divisors (see below), whose sum is σ = 1269960. Its totient is φ = 1258368.

The previous prime is 1264129. The next prime is 1264177. The reversal of 1264163 is 3614621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3614621 = 691 ⋅5231.

It is a cyclic number.

It is not a de Polignac number, because 1264163 - 2¹² = 1260067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264063) 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, 2558 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (317490).

2^1264163 is an apocalyptic number.

1264163 is a deficient number, since it is larger than the sum of its proper divisors (5797).

1264163 is an equidigital number, since it uses as much as digits as its factorization.

1264163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796.

The product of its digits is 864, while the sum is 23.

The square root of 1264163 is about 1124.3500344644. The cubic root of 1264163 is about 108.1270509818.

Adding to 1264163 its reverse (3614621), we get a palindrome (4878784).

The spelling of 1264163 in words is "one million, two hundred sixty-four thousand, one hundred sixty-three".