1226120126 has 32 divisors (see below), whose sum is σ = 2336283648. Its totient is φ = 468692640.

The previous prime is 1226120111. The next prime is 1226120143. The reversal of 1226120126 is 6210216221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66950 + ... + 83273.

It is an arithmetic number, because the mean of its divisors is an integer number (73008864).

Almost surely, 2^1226120126 is an apocalyptic number.

1226120126 is a deficient number, since it is larger than the sum of its proper divisors (1110163522).

1226120126 is a wasteful number, since it uses less digits than its factorization.

1226120126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150296.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1226120126 is about 35015.9981437057. The cubic root of 1226120126 is about 1070.3135093209.

Adding to 1226120126 its reverse (6210216221), we get a palindrome (7436336347).

The spelling of 1226120126 in words is "one billion, two hundred twenty-six million, one hundred twenty thousand, one hundred twenty-six".