1264071 has 16 divisors (see below), whose sum is σ = 1774080. Its totient is φ = 799680.

The previous prime is 1264063. The next prime is 1264129. The reversal of 1264071 is 1704621.

It is not a de Polignac number, because 1264071 - 2³ = 1264063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5170 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (110880).

2^1264071 is an apocalyptic number.

1264071 is a deficient number, since it is larger than the sum of its proper divisors (510009).

1264071 is a wasteful number, since it uses less digits than its factorization.

1264071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 1264071 is about 1124.3091211940. The cubic root of 1264071 is about 108.1244279208.

Adding to 1264071 its reverse (1704621), we get a palindrome (2968692).

The spelling of 1264071 in words is "one million, two hundred sixty-four thousand, seventy-one".