11421235 has 32 divisors (see below), whose sum is σ = 16422912. Its totient is φ = 7463040.

The previous prime is 11421233. The next prime is 11421251. The reversal of 11421235 is 53212411.

11421235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11421235 - 2¹ = 11421233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87120 + ... + 87250.

It is an arithmetic number, because the mean of its divisors is an integer number (513216).

Almost surely, 2^11421235 is an apocalyptic number.

11421235 is a deficient number, since it is larger than the sum of its proper divisors (5001677).

11421235 is a wasteful number, since it uses less digits than its factorization.

11421235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243.

The product of its digits is 240, while the sum is 19.

The square root of 11421235 is about 3379.5317723022. The cubic root of 11421235 is about 225.2013670549.

Adding to 11421235 its reverse (53212411), we get a palindrome (64633646).

The spelling of 11421235 in words is "eleven million, four hundred twenty-one thousand, two hundred thirty-five".