1921030094 has 8 divisors (see below), whose sum is σ = 2885023560. Its totient is φ = 959355576.

The previous prime is 1921030087. The next prime is 1921030217. The reversal of 1921030094 is 4900301291.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 577664 + ... + 580979.

It is an arithmetic number, because the mean of its divisors is an integer number (360627945).

Almost surely, 2^1921030094 is an apocalyptic number.

1921030094 is a deficient number, since it is larger than the sum of its proper divisors (963993466).

1921030094 is a wasteful number, since it uses less digits than its factorization.

1921030094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159474.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 1921030094 is about 43829.5573101075. The cubic root of 1921030094 is about 1243.1152363624.

The spelling of 1921030094 in words is "one billion, nine hundred twenty-one million, thirty thousand, ninety-four".