1194624732281 has 2 divisors, whose sum is σ = 1194624732282. Its totient is φ = 1194624732280.

The previous prime is 1194624732247. The next prime is 1194624732293. The reversal of 1194624732281 is 1822374264911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924761106025 + 269863626256 = 961645^2 + 519484^2 .

It is a cyclic number.

It is not a de Polignac number, because 1194624732281 - 2²² = 1194620537977 is a prime.

It is a super-2 number, since 2×1194624732281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1194624722281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 597312366140 + 597312366141.

It is an arithmetic number, because the mean of its divisors is an integer number (597312366141).

Almost surely, 2^{1194624732281} is an apocalyptic number.

It is an amenable number.

1194624732281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1194624732281 is an equidigital number, since it uses as much as digits as its factorization.

1194624732281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 50.

The spelling of 1194624732281 in words is "one trillion, one hundred ninety-four billion, six hundred twenty-four million, seven hundred thirty-two thousand, two hundred eighty-one".