11421245 has 16 divisors (see below), whose sum is σ = 15024960. Its totient is φ = 8265600.

The previous prime is 11421233. The next prime is 11421251. The reversal of 11421245 is 54212411.

It is a happy number.

It is not a de Polignac number, because 11421245 - 2²² = 7226941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15086 + ... + 15824.

It is an arithmetic number, because the mean of its divisors is an integer number (939060).

Almost surely, 2^11421245 is an apocalyptic number.

It is an amenable number.

11421245 is a deficient number, since it is larger than the sum of its proper divisors (3603715).

11421245 is a wasteful number, since it uses less digits than its factorization.

11421245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036.

The product of its digits is 320, while the sum is 20.

The square root of 11421245 is about 3379.5332517968. The cubic root of 11421245 is about 225.2014327808.

Adding to 11421245 its reverse (54212411), we get a palindrome (65633656).

The spelling of 11421245 in words is "eleven million, four hundred twenty-one thousand, two hundred forty-five".