1420575 has 48 divisors (see below), whose sum is σ = 2666496. Its totient is φ = 662400.

The previous prime is 1420561. The next prime is 1420577. The reversal of 1420575 is 5750241.

It is not a de Polignac number, because 1420575 - 2⁶ = 1420511 is a prime.

1420575 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420577) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 30202 + ... + 30248.

It is an arithmetic number, because the mean of its divisors is an integer number (55552).

2^1420575 is an apocalyptic number.

1420575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420575 is a deficient number, since it is larger than the sum of its proper divisors (1245921).

1420575 is a wasteful number, since it uses less digits than its factorization.

1420575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 1420575 is about 1191.8787690030. The cubic root of 1420575 is about 112.4142556523.

The spelling of 1420575 in words is "one million, four hundred twenty thousand, five hundred seventy-five".