1276163 has 4 divisors (see below), whose sum is σ = 1458480. Its totient is φ = 1093848.

The previous prime is 1276157. The next prime is 1276169. The reversal of 1276163 is 3616721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1276157) and next prime (1276169).

It is not a de Polignac number, because 1276163 - 2⁴ = 1276147 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1276169) 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, 91148 + ... + 91161.

It is an arithmetic number, because the mean of its divisors is an integer number (364620).

2^1276163 is an apocalyptic number.

1276163 is a deficient number, since it is larger than the sum of its proper divisors (182317).

1276163 is an equidigital number, since it uses as much as digits as its factorization.

1276163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182316.

The product of its digits is 1512, while the sum is 26.

The square root of 1276163 is about 1129.6738467363. The cubic root of 1276163 is about 108.4681041967.

The spelling of 1276163 in words is "one million, two hundred seventy-six thousand, one hundred sixty-three".