1420875 has 32 divisors (see below), whose sum is σ = 2633280. Its totient is φ = 756000.

The previous prime is 1420847. The next prime is 1420879. The reversal of 1420875 is 5780241.

It is not a de Polignac number, because 1420875 - 2¹⁷ = 1289803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1420879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3165 + ... + 3585.

It is an arithmetic number, because the mean of its divisors is an integer number (82290).

2^1420875 is an apocalyptic number.

1420875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420875 is a deficient number, since it is larger than the sum of its proper divisors (1212405).

1420875 is an equidigital number, since it uses as much as digits as its factorization.

1420875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 429 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1420875 is about 1192.0046140850. The cubic root of 1420875 is about 112.4221683879.

1420875 divided by its sum of digits (27) gives a palindrome (52625).

The spelling of 1420875 in words is "one million, four hundred twenty thousand, eight hundred seventy-five".