1226548956 has 48 divisors (see below), whose sum is σ = 2882718720. Its totient is φ = 405894720.

The previous prime is 1226548943. The next prime is 1226548957. The reversal of 1226548956 is 6598456221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226548957) 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, 1855266 + ... + 1855926.

It is an arithmetic number, because the mean of its divisors is an integer number (60056640).

Almost surely, 2^1226548956 is an apocalyptic number.

It is an amenable number.

1226548956 is an abundant number, since it is smaller than the sum of its proper divisors (1656169764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226548956 is a wasteful number, since it uses less digits than its factorization.

1226548956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554 (or 1552 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 48.

The square root of 1226548956 is about 35022.1209523353. The cubic root of 1226548956 is about 1070.4382738889.

The spelling of 1226548956 in words is "one billion, two hundred twenty-six million, five hundred forty-eight thousand, nine hundred fifty-six".