1205624841097 has 2 divisors, whose sum is σ = 1205624841098. Its totient is φ = 1205624841096.

The previous prime is 1205624840999. The next prime is 1205624841103. The reversal of 1205624841097 is 7901484265021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 752054918521 + 453569922576 = 867211^2 + 673476^2 .

It is a cyclic number.

It is not a de Polignac number, because 1205624841097 - 2³¹ = 1203477357449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1205624841097.

It is not a weakly prime, because it can be changed into another prime (1205624848097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602812420548 + 602812420549.

It is an arithmetic number, because the mean of its divisors is an integer number (602812420549).

Almost surely, 2^{1205624841097} is an apocalyptic number.

It is an amenable number.

1205624841097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205624841097 is an equidigital number, since it uses as much as digits as its factorization.

1205624841097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 1205624841097 in words is "one trillion, two hundred five billion, six hundred twenty-four million, eight hundred forty-one thousand, ninety-seven".