1226126305 has 8 divisors (see below), whose sum is σ = 1471734144. Its totient is φ = 980646000.

The previous prime is 1226126303. The next prime is 1226126311. The reversal of 1226126305 is 5036216221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226126305 - 2¹ = 1226126303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226126303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9271 + ... + 50380.

It is an arithmetic number, because the mean of its divisors is an integer number (183966768).

Almost surely, 2^1226126305 is an apocalyptic number.

It is an amenable number.

1226126305 is a deficient number, since it is larger than the sum of its proper divisors (245607839).

1226126305 is an equidigital number, since it uses as much as digits as its factorization.

1226126305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63767.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 1226126305 is about 35016.0863746936. The cubic root of 1226126305 is about 1070.3153072567.

The spelling of 1226126305 in words is "one billion, two hundred twenty-six million, one hundred twenty-six thousand, three hundred five".