1121073906 has 16 divisors (see below), whose sum is σ = 2296834848. Its totient is φ = 364576800.

The previous prime is 1121073901. The next prime is 1121073923. The reversal of 1121073906 is 6093701211.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121073901) 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, 2278360 + ... + 2278851.

It is an arithmetic number, because the mean of its divisors is an integer number (143552178).

Almost surely, 2^1121073906 is an apocalyptic number.

1121073906 is an abundant number, since it is smaller than the sum of its proper divisors (1175760942).

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

1121073906 is a wasteful number, since it uses less digits than its factorization.

1121073906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4557257.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 1121073906 is about 33482.4417568373. The cubic root of 1121073906 is about 1038.8306340171.

The spelling of 1121073906 in words is "one billion, one hundred twenty-one million, seventy-three thousand, nine hundred six".