1264121 has 4 divisors (see below), whose sum is σ = 1268112. Its totient is φ = 1260132.

The previous prime is 1264063. The next prime is 1264129. The reversal of 1264121 is 1214621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1264121 - 2¹⁴ = 1247737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1264121.

It is not an unprimeable number, because it can be changed into a prime (1264129) 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, 1475 + ... + 2168.

It is an arithmetic number, because the mean of its divisors is an integer number (317028).

2^1264121 is an apocalyptic number.

It is an amenable number.

1264121 is a deficient number, since it is larger than the sum of its proper divisors (3991).

1264121 is an equidigital number, since it uses as much as digits as its factorization.

1264121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990.

The product of its digits is 96, while the sum is 17.

The square root of 1264121 is about 1124.3313568517. The cubic root of 1264121 is about 108.1258535133.

Adding to 1264121 its reverse (1214621), we get a palindrome (2478742).

The spelling of 1264121 in words is "one million, two hundred sixty-four thousand, one hundred twenty-one".