1420955 has 4 divisors (see below), whose sum is σ = 1705152. Its totient is φ = 1136760.

The previous prime is 1420949. The next prime is 1420967. The reversal of 1420955 is 5590241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1420955 - 2⁶ = 1420891 is a prime.

It is a super-2 number, since 2×1420955² = 4038226224050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 142091 + ... + 142100.

It is an arithmetic number, because the mean of its divisors is an integer number (426288).

2^1420955 is an apocalyptic number.

1420955 is a deficient number, since it is larger than the sum of its proper divisors (284197).

1420955 is an equidigital number, since it uses as much as digits as its factorization.

1420955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284196.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 1420955 is about 1192.0381705298. The cubic root of 1420955 is about 112.4242782626.

The spelling of 1420955 in words is "one million, four hundred twenty thousand, nine hundred fifty-five".