1426237 has 2 divisors, whose sum is σ = 1426238. Its totient is φ = 1426236.

The previous prime is 1426231. The next prime is 1426247. The reversal of 1426237 is 7326241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1378276 + 47961 = 1174^2 + 219^2 .

It is a cyclic number.

It is not a de Polignac number, because 1426237 - 2⁷ = 1426109 is a prime.

1426237 is a lucky number.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713118 + 713119.

It is an arithmetic number, because the mean of its divisors is an integer number (713119).

2^1426237 is an apocalyptic number.

It is an amenable number.

1426237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426237 is an equidigital number, since it uses as much as digits as its factorization.

1426237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 1426237 is about 1194.2516485230. The cubic root of 1426237 is about 112.5634078764.

The spelling of 1426237 in words is "one million, four hundred twenty-six thousand, two hundred thirty-seven".