1187792041 has 2 divisors, whose sum is σ = 1187792042. Its totient is φ = 1187792040.

The previous prime is 1187791991. The next prime is 1187792077. The reversal of 1187792041 is 1402977811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 822829225 + 364962816 = 28685^2 + 19104^2 .

It is a cyclic number.

It is not a de Polignac number, because 1187792041 - 2⁹ = 1187791529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1187791985 and 1187792003.

It is not a weakly prime, because it can be changed into another prime (1187795041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593896020 + 593896021.

It is an arithmetic number, because the mean of its divisors is an integer number (593896021).

Almost surely, 2^1187792041 is an apocalyptic number.

It is an amenable number.

1187792041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187792041 is an equidigital number, since it uses as much as digits as its factorization.

1187792041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 1187792041 is about 34464.3589959251. The cubic root of 1187792041 is about 1059.0426983628.

The spelling of 1187792041 in words is "one billion, one hundred eighty-seven million, seven hundred ninety-two thousand, forty-one".