1221133094 has 16 divisors (see below), whose sum is σ = 1881151776. Its totient is φ = 594158400.

The previous prime is 1221133093. The next prime is 1221133117. The reversal of 1221133094 is 4903311221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1221133093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13799 + ... + 51309.

It is an arithmetic number, because the mean of its divisors is an integer number (117571986).

Almost surely, 2^1221133094 is an apocalyptic number.

1221133094 is a deficient number, since it is larger than the sum of its proper divisors (660018682).

1221133094 is a wasteful number, since it uses less digits than its factorization.

1221133094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37951.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1221133094 is about 34944.7148221301. The cubic root of 1221133094 is about 1068.8604323310.

The spelling of 1221133094 in words is "one billion, two hundred twenty-one million, one hundred thirty-three thousand, ninety-four".