11231245 has 16 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 8515584.

The previous prime is 11231243. The next prime is 11231257. The reversal of 11231245 is 54213211.

It is a cyclic number.

It is not a de Polignac number, because 11231245 - 2¹ = 11231243 is a prime.

It is a super-2 number, since 2×11231245² = 252281728500050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14221 + ... + 14989.

It is an arithmetic number, because the mean of its divisors is an integer number (887040).

Almost surely, 2^11231245 is an apocalyptic number.

It is an amenable number.

11231245 is a deficient number, since it is larger than the sum of its proper divisors (2961395).

11231245 is a wasteful number, since it uses less digits than its factorization.

11231245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924.

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

The square root of 11231245 is about 3351.3049697096. The cubic root of 11231245 is about 223.9456514086.

Adding to 11231245 its reverse (54213211), we get a palindrome (65444456).

It can be divided in two parts, 11231 and 245, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 11231245 in words is "eleven million, two hundred thirty-one thousand, two hundred forty-five".