1424861 has 4 divisors (see below), whose sum is σ = 1442112. Its totient is φ = 1407612.

The previous prime is 1424851. The next prime is 1424869. The reversal of 1424861 is 1684241.

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 a de Polignac number, because none of the positive numbers 2^k-1424861 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 1424861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424869) 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, 8501 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (360528).

2^1424861 is an apocalyptic number.

It is an amenable number.

1424861 is a deficient number, since it is larger than the sum of its proper divisors (17251).

1424861 is an equidigital number, since it uses as much as digits as its factorization.

1424861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250.

The product of its digits is 1536, while the sum is 26.

The square root of 1424861 is about 1193.6754165182. The cubic root of 1424861 is about 112.5271967169.

The spelling of 1424861 in words is "one million, four hundred twenty-four thousand, eight hundred sixty-one".