1420499 has 4 divisors (see below), whose sum is σ = 1438560. Its totient is φ = 1402440.

The previous prime is 1420493. The next prime is 1420501. The reversal of 1420499 is 9940241.

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

It is a cyclic number.

It is not a de Polignac number, because 1420499 - 2⁴ = 1420483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1420493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8912 + ... + 9069.

It is an arithmetic number, because the mean of its divisors is an integer number (359640).

2^1420499 is an apocalyptic number.

1420499 is a deficient number, since it is larger than the sum of its proper divisors (18061).

1420499 is an equidigital number, since it uses as much as digits as its factorization.

1420499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1420499 is about 1191.8468861393. The cubic root of 1420499 is about 112.4122509158.

The spelling of 1420499 in words is "one million, four hundred twenty thousand, four hundred ninety-nine".