1172994041 has 2 divisors, whose sum is σ = 1172994042. Its totient is φ = 1172994040.

The previous prime is 1172994037. The next prime is 1172994061. The reversal of 1172994041 is 1404992711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 625200016 + 547794025 = 25004^2 + 23405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172994041 - 2² = 1172994037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1172993986 and 1172994004.

It is not a weakly prime, because it can be changed into another prime (1172994061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586497020 + 586497021.

It is an arithmetic number, because the mean of its divisors is an integer number (586497021).

Almost surely, 2^1172994041 is an apocalyptic number.

It is an amenable number.

1172994041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172994041 is an equidigital number, since it uses as much as digits as its factorization.

1172994041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1172994041 is about 34249.0005839587. Note that the first 3 decimals coincide. The cubic root of 1172994041 is about 1054.6263109036.

The spelling of 1172994041 in words is "one billion, one hundred seventy-two million, nine hundred ninety-four thousand, forty-one".