1264171 has 4 divisors (see below), whose sum is σ = 1338552. Its totient is φ = 1189792.

The previous prime is 1264129. The next prime is 1264177. The reversal of 1264171 is 1714621.

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

It is a cyclic number.

It is not a de Polignac number, because 1264171 - 2⁹ = 1263659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1264177) 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, 37165 + ... + 37198.

It is an arithmetic number, because the mean of its divisors is an integer number (334638).

2^1264171 is an apocalyptic number.

1264171 is a deficient number, since it is larger than the sum of its proper divisors (74381).

1264171 is an equidigital number, since it uses as much as digits as its factorization.

1264171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74380.

The product of its digits is 336, while the sum is 22.

The square root of 1264171 is about 1124.3535920697. The cubic root of 1264171 is about 108.1272790681.

Adding to 1264171 its reverse (1714621), we get a palindrome (2978792).

The spelling of 1264171 in words is "one million, two hundred sixty-four thousand, one hundred seventy-one".