1794123242 has 4 divisors (see below), whose sum is σ = 2691184866. Its totient is φ = 897061620.

The previous prime is 1794123197. The next prime is 1794123281. The reversal of 1794123242 is 2423214971.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2423214971 = 13751 ⋅176221.

It can be written as a sum of positive squares in only one way, i.e., 1785823081 + 8300161 = 42259^2 + 2881^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 448530809 + ... + 448530812.

Almost surely, 2^1794123242 is an apocalyptic number.

1794123242 is a deficient number, since it is larger than the sum of its proper divisors (897061624).

1794123242 is an equidigital number, since it uses as much as digits as its factorization.

1794123242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897061623.

The product of its digits is 24192, while the sum is 35.

The square root of 1794123242 is about 42357.0919917787. The cubic root of 1794123242 is about 1215.1151176581.

The spelling of 1794123242 in words is "one billion, seven hundred ninety-four million, one hundred twenty-three thousand, two hundred forty-two".