1424261 has 2 divisors, whose sum is σ = 1424262. Its totient is φ = 1424260.

The previous prime is 1424257. The next prime is 1424263. The reversal of 1424261 is 1624241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1322500 + 101761 = 1150^2 + 319^2 .

It is an emirp because it is prime and its reverse (1624241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424261 - 2² = 1424257 is a prime.

It is a super-2 number, since 2×1424261² = 4057038792242, which contains 22 as substring.

Together with 1424263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712130 + 712131.

It is an arithmetic number, because the mean of its divisors is an integer number (712131).

2^1424261 is an apocalyptic number.

It is an amenable number.

1424261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424261 is an equidigital number, since it uses as much as digits as its factorization.

1424261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 20.

The square root of 1424261 is about 1193.4240654520. The cubic root of 1424261 is about 112.5113996679.

Subtracting from 1424261 its sum of digits (20), we obtain a palindrome (1424241).

The spelling of 1424261 in words is "one million, four hundred twenty-four thousand, two hundred sixty-one".