1226043245 has 16 divisors (see below), whose sum is σ = 1693534080. Its totient is φ = 834663744.

The previous prime is 1226043241. The next prime is 1226043253. The reversal of 1226043245 is 5423406221.

1226043245 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1226043245 - 2² = 1226043241 is a prime.

It is a super-2 number, since 2×1226043245² = 3006364077220260050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226043241) 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, 121142 + ... + 130871.

It is an arithmetic number, because the mean of its divisors is an integer number (105845880).

Almost surely, 2^1226043245 is an apocalyptic number.

It is an amenable number.

1226043245 is a deficient number, since it is larger than the sum of its proper divisors (467490835).

1226043245 is a wasteful number, since it uses less digits than its factorization.

1226043245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252164.

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1226043245 is about 35014.9003282888. The cubic root of 1226043245 is about 1070.2911383500.

Adding to 1226043245 its reverse (5423406221), we get a palindrome (6649449466).

The spelling of 1226043245 in words is "one billion, two hundred twenty-six million, forty-three thousand, two hundred forty-five".