2171123294 has 8 divisors (see below), whose sum is σ = 3257139648. Its totient is φ = 1085410080.

The previous prime is 2171123281. The next prime is 2171123419. The reversal of 2171123294 is 4923211712.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2171123294.

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, 56942 + ... + 87089.

It is an arithmetic number, because the mean of its divisors is an integer number (407142456).

Almost surely, 2^2171123294 is an apocalyptic number.

2171123294 is a deficient number, since it is larger than the sum of its proper divisors (1086016354).

2171123294 is a wasteful number, since it uses less digits than its factorization.

2171123294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151570.

The product of its digits is 6048, while the sum is 32.

The square root of 2171123294 is about 46595.3140777053. The cubic root of 2171123294 is about 1294.8759428574.

The spelling of 2171123294 in words is "two billion, one hundred seventy-one million, one hundred twenty-three thousand, two hundred ninety-four".