1420535 has 12 divisors (see below), whose sum is σ = 1801368. Its totient is φ = 1075248.

The previous prime is 1420519. The next prime is 1420561. The reversal of 1420535 is 5350241.

It is not a de Polignac number, because 1420535 - 2⁴ = 1420519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1412 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (150114).

2^1420535 is an apocalyptic number.

1420535 is a deficient number, since it is larger than the sum of its proper divisors (380833).

1420535 is an equidigital number, since it uses as much as digits as its factorization.

1420535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 1420535 is about 1191.8619886547. The cubic root of 1420535 is about 112.4132005367.

Adding to 1420535 its reverse (5350241), we get a palindrome (6770776).

The spelling of 1420535 in words is "one million, four hundred twenty thousand, five hundred thirty-five".