1226129341 has 4 divisors (see below), whose sum is σ = 1246229884. Its totient is φ = 1206028800.

The previous prime is 1226129323. The next prime is 1226129353. The reversal of 1226129341 is 1439216221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69789316 + 1156340025 = 8354^2 + 34005^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226129341 - 2²¹ = 1224032189 is a prime.

It is a super-2 number, since 2×1226129341² = 3006786321722188562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226129321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10050180 + ... + 10050301.

It is an arithmetic number, because the mean of its divisors is an integer number (311557471).

Almost surely, 2^1226129341 is an apocalyptic number.

It is an amenable number.

1226129341 is a deficient number, since it is larger than the sum of its proper divisors (20100543).

1226129341 is an equidigital number, since it uses as much as digits as its factorization.

1226129341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20100542.

The product of its digits is 5184, while the sum is 31.

The square root of 1226129341 is about 35016.1297261705. The cubic root of 1226129341 is about 1070.3161906553.

The spelling of 1226129341 in words is "one billion, two hundred twenty-six million, one hundred twenty-nine thousand, three hundred forty-one".