1094907021 has 16 divisors (see below), whose sum is σ = 1580967360. Its totient is φ = 670020480.

The previous prime is 1094907013. The next prime is 1094907061. The reversal of 1094907021 is 1207094901.

It is not a de Polignac number, because 1094907021 - 2³ = 1094907013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094907001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71440 + ... + 85401.

It is an arithmetic number, because the mean of its divisors is an integer number (98810460).

Almost surely, 2^1094907021 is an apocalyptic number.

It is an amenable number.

1094907021 is a deficient number, since it is larger than the sum of its proper divisors (486060339).

1094907021 is a wasteful number, since it uses less digits than its factorization.

1094907021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157036.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 1094907021 is about 33089.3792779496. The cubic root of 1094907021 is about 1030.6845046251.

The spelling of 1094907021 in words is "one billion, ninety-four million, nine hundred seven thousand, twenty-one".