1226134646 has 16 divisors (see below), whose sum is σ = 2093637888. Its totient is φ = 533101800.

The previous prime is 1226134631. The next prime is 1226134649. The reversal of 1226134646 is 6464316221.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226134649) 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, 1211090 + ... + 1212101.

It is an arithmetic number, because the mean of its divisors is an integer number (130852368).

Almost surely, 2^1226134646 is an apocalyptic number.

1226134646 is a deficient number, since it is larger than the sum of its proper divisors (867503242).

1226134646 is a wasteful number, since it uses less digits than its factorization.

1226134646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423227.

The product of its digits is 41472, while the sum is 35.

The square root of 1226134646 is about 35016.2054768931. The cubic root of 1226134646 is about 1070.3177342715.

The spelling of 1226134646 in words is "one billion, two hundred twenty-six million, one hundred thirty-four thousand, six hundred forty-six".