1264123 has 8 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 1078440.

The previous prime is 1264063. The next prime is 1264129. The reversal of 1264123 is 3214621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1264123 - 2¹³ = 1255931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1264123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718 + ... + 3148.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

2^1264123 is an apocalyptic number.

1264123 is a deficient number, since it is larger than the sum of its proper divisors (187397).

1264123 is an equidigital number, since it uses as much as digits as its factorization.

1264123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857.

The product of its digits is 288, while the sum is 19.

The square root of 1264123 is about 1124.3322462689. The cubic root of 1264123 is about 108.1259105362.

Adding to 1264123 its reverse (3214621), we get a palindrome (4478744).

The spelling of 1264123 in words is "one million, two hundred sixty-four thousand, one hundred twenty-three".