1081213226 has 16 divisors (see below), whose sum is σ = 1772616960. Its totient is φ = 492392640.

The previous prime is 1081213201. The next prime is 1081213229. The reversal of 1081213226 is 6223121801.

It is a junction number, because it is equal to n+sod(n) for n = 1081213195 and 1081213204.

It is not an unprimeable number, because it can be changed into a prime (1081213229) 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, 511856 + ... + 513963.

It is an arithmetic number, because the mean of its divisors is an integer number (110788560).

Almost surely, 2^1081213226 is an apocalyptic number.

1081213226 is a deficient number, since it is larger than the sum of its proper divisors (691403734).

1081213226 is a wasteful number, since it uses less digits than its factorization.

1081213226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025869.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1081213226 is about 32881.8069150708. The cubic root of 1081213226 is about 1026.3696070668.

The spelling of 1081213226 in words is "one billion, eighty-one million, two hundred thirteen thousand, two hundred twenty-six".