1420485 has 16 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 688640.

The previous prime is 1420483. The next prime is 1420493. The reversal of 1420485 is 5840241.

It is not a de Polignac number, because 1420485 - 2¹ = 1420483 is a prime.

1420485 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4140 + ... + 4469.

It is an arithmetic number, because the mean of its divisors is an integer number (154980).

2^1420485 is an apocalyptic number.

1420485 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1420485 is a deficient number, since it is larger than the sum of its proper divisors (1059195).

1420485 is a wasteful number, since it uses less digits than its factorization.

1420485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8628.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1420485 is about 1191.8410128872. The cubic root of 1420485 is about 112.4118816144.

The spelling of 1420485 in words is "one million, four hundred twenty thousand, four hundred eighty-five".