1420675 has 6 divisors (see below), whose sum is σ = 1761668. Its totient is φ = 1136520.

The previous prime is 1420667. The next prime is 1420697. The reversal of 1420675 is 5760241.

It is not a de Polignac number, because 1420675 - 2³ = 1420667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 56827 = 1420675 / (1 + 4 + 2 + 0 + 6 + 7 + 5).

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 28389 + ... + 28438.

2^1420675 is an apocalyptic number.

1420675 is a deficient number, since it is larger than the sum of its proper divisors (340993).

1420675 is an equidigital number, since it uses as much as digits as its factorization.

1420675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56837 (or 56832 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1420675 is about 1191.9207188400. The cubic root of 1420675 is about 112.4168933546.

The spelling of 1420675 in words is "one million, four hundred twenty thousand, six hundred seventy-five".