1122112493 has 2 divisors, whose sum is σ = 1122112494. Its totient is φ = 1122112492.

The previous prime is 1122112429. The next prime is 1122112499. The reversal of 1122112493 is 3942112211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630913924 + 491198569 = 25118^2 + 22163^2 .

It is an emirp because it is prime and its reverse (3942112211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1122112493 - 2⁶ = 1122112429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122112499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561056246 + 561056247.

It is an arithmetic number, because the mean of its divisors is an integer number (561056247).

Almost surely, 2^1122112493 is an apocalyptic number.

It is an amenable number.

1122112493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122112493 is an equidigital number, since it uses as much as digits as its factorization.

1122112493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 26.

The square root of 1122112493 is about 33497.9475938452. The cubic root of 1122112493 is about 1039.1513333573.

The spelling of 1122112493 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, four hundred ninety-three".