1294421 has 4 divisors (see below), whose sum is σ = 1299372. Its totient is φ = 1289472.

The previous prime is 1294399. The next prime is 1294453. The reversal of 1294421 is 1244921.

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

It can be written as a sum of positive squares in 2 ways, for example, as 790321 + 504100 = 889^2 + 710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1294421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1294471) 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, 2060 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (324843).

2^1294421 is an apocalyptic number.

It is an amenable number.

1294421 is a deficient number, since it is larger than the sum of its proper divisors (4951).

1294421 is an equidigital number, since it uses as much as digits as its factorization.

1294421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4950.

The product of its digits is 576, while the sum is 23.

The square root of 1294421 is about 1137.7262412373. The cubic root of 1294421 is about 108.9829392819.

The spelling of 1294421 in words is "one million, two hundred ninety-four thousand, four hundred twenty-one".