1421235 has 12 divisors (see below), whose sum is σ = 2463552. Its totient is φ = 757968.

The previous prime is 1421227. The next prime is 1421243. The reversal of 1421235 is 5321241.

It is an interprime number because it is at equal distance from previous prime (1421227) and next prime (1421243).

It is not a de Polignac number, because 1421235 - 2³ = 1421227 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15747 + ... + 15836.

It is an arithmetic number, because the mean of its divisors is an integer number (205296).

2^1421235 is an apocalyptic number.

1421235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421235 is a deficient number, since it is larger than the sum of its proper divisors (1042317).

1421235 is a wasteful number, since it uses less digits than its factorization.

1421235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31594 (or 31591 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 1421235 is about 1192.1556106482. The cubic root of 1421235 is about 112.4316622005.

Adding to 1421235 its reverse (5321241), we get a palindrome (6742476).

The spelling of 1421235 in words is "one million, four hundred twenty-one thousand, two hundred thirty-five".