1420969 has 8 divisors (see below), whose sum is σ = 1566720. Its totient is φ = 1278000.

The previous prime is 1420967. The next prime is 1420981. The reversal of 1420969 is 9690241.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1420969 - 2¹ = 1420967 is a prime.

It is a super-2 number, since 2×1420969² = 4038305797922, which contains 22 as substring.

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 1420969.

It is not an unprimeable number, because it can be changed into a prime (1420967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 1750.

It is an arithmetic number, because the mean of its divisors is an integer number (195840).

2^1420969 is an apocalyptic number.

It is an amenable number.

1420969 is a deficient number, since it is larger than the sum of its proper divisors (145751).

1420969 is a wasteful number, since it uses less digits than its factorization.

1420969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 1420969 is about 1192.0440428105. The cubic root of 1420969 is about 112.4246474825.

The spelling of 1420969 in words is "one million, four hundred twenty thousand, nine hundred sixty-nine".