1187124294973 has 2 divisors, whose sum is σ = 1187124294974. Its totient is φ = 1187124294972.

The previous prime is 1187124294919. The next prime is 1187124294997. The reversal of 1187124294973 is 3794924217811.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 949958216964 + 237166078009 = 974658^2 + 486997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1187124294973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1187124294173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593562147486 + 593562147487.

It is an arithmetic number, because the mean of its divisors is an integer number (593562147487).

Almost surely, 2^{1187124294973} is an apocalyptic number.

It is an amenable number.

1187124294973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187124294973 is an equidigital number, since it uses as much as digits as its factorization.

1187124294973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 58.

The spelling of 1187124294973 in words is "one trillion, one hundred eighty-seven billion, one hundred twenty-four million, two hundred ninety-four thousand, nine hundred seventy-three".