1226013375 has 16 divisors (see below), whose sum is σ = 2040086880. Its totient is φ = 653873600.

The previous prime is 1226013353. The next prime is 1226013379. The reversal of 1226013375 is 5733106221.

It is not a de Polignac number, because 1226013375 - 2⁵ = 1226013343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226013379) 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, 1634310 + ... + 1635059.

It is an arithmetic number, because the mean of its divisors is an integer number (127505430).

Almost surely, 2^1226013375 is an apocalyptic number.

1226013375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1226013375 is a deficient number, since it is larger than the sum of its proper divisors (814073505).

1226013375 is an equidigital number, since it uses as much as digits as its factorization.

1226013375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3269387 (or 3269377 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 1226013375 is about 35014.4737929902. The cubic root of 1226013375 is about 1070.2824464717.

Adding to 1226013375 its reverse (5733106221), we get a palindrome (6959119596).

The spelling of 1226013375 in words is "one billion, two hundred twenty-six million, thirteen thousand, three hundred seventy-five".