1421435 has 8 divisors (see below), whose sum is σ = 1764720. Its totient is φ = 1097824.

The previous prime is 1421417. The next prime is 1421437. The reversal of 1421435 is 5341241.

1421435 = 203² + 204² + ... + 232².

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

It is not a de Polignac number, because 1421435 - 2²⁰ = 372859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421437) 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, 4757 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (220590).

2^1421435 is an apocalyptic number.

1421435 is a deficient number, since it is larger than the sum of its proper divisors (343285).

1421435 is an equidigital number, since it uses as much as digits as its factorization.

1421435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9837.

The product of its digits is 480, while the sum is 20.

The square root of 1421435 is about 1192.2394893644. The cubic root of 1421435 is about 112.4369358481.

Adding to 1421435 its reverse (5341241), we get a palindrome (6762676).

The spelling of 1421435 in words is "one million, four hundred twenty-one thousand, four hundred thirty-five".