1420475 has 12 divisors (see below), whose sum is σ = 2013264. Its totient is φ = 973920.

The previous prime is 1420429. The next prime is 1420483. The reversal of 1420475 is 5740241.

It is not a de Polignac number, because 1420475 - 2¹⁶ = 1354939 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420475.

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 11 ways as a sum of consecutive naturals, for example, 3884 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (167772).

2^1420475 is an apocalyptic number.

1420475 is a deficient number, since it is larger than the sum of its proper divisors (592789).

1420475 is an equidigital number, since it uses as much as digits as its factorization.

1420475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8134 (or 8129 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 1420475 is about 1191.8368176894. The cubic root of 1420475 is about 112.4116178262.

The spelling of 1420475 in words is "one million, four hundred twenty thousand, four hundred seventy-five".