1235420 has 24 divisors (see below), whose sum is σ = 2615424. Its totient is φ = 490176.

The previous prime is 1235419. The next prime is 1235431. The reversal of 1235420 is 245321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4322 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (108976).

2^1235420 is an apocalyptic number.

1235420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235420 is an abundant number, since it is smaller than the sum of its proper divisors (1380004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1235420 is a wasteful number, since it uses less digits than its factorization.

1235420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1235420 is about 1111.4944894150. The cubic root of 1235420 is about 107.3012733828.

Subtracting from 1235420 its reverse (245321), we obtain a palindrome (990099).

The spelling of 1235420 in words is "one million, two hundred thirty-five thousand, four hundred twenty".