1420534 has 8 divisors (see below), whose sum is σ = 2162808. Its totient is φ = 699600.

The previous prime is 1420519. The next prime is 1420561. The reversal of 1420534 is 4350241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167 + ... + 5434.

It is an arithmetic number, because the mean of its divisors is an integer number (270351).

2^1420534 is an apocalyptic number.

1420534 is a deficient number, since it is larger than the sum of its proper divisors (742274).

1420534 is a wasteful number, since it uses less digits than its factorization.

1420534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10670.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1420534 is about 1191.8615691430. The cubic root of 1420534 is about 112.4131741586.

Adding to 1420534 its reverse (4350241), we get a palindrome (5770775).

The spelling of 1420534 in words is "one million, four hundred twenty thousand, five hundred thirty-four".