1041240521173 has 2 divisors, whose sum is σ = 1041240521174. Its totient is φ = 1041240521172.

The previous prime is 1041240521137. The next prime is 1041240521177. The reversal of 1041240521173 is 3711250421401.

Together with previous prime (1041240521137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614494506609 + 426746014564 = 783897^2 + 653258^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1041240521173 is a prime.

It is a super-2 number, since 2×1041240521173² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1041240521177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520620260586 + 520620260587.

It is an arithmetic number, because the mean of its divisors is an integer number (520620260587).

Almost surely, 2^{1041240521173} is an apocalyptic number.

It is an amenable number.

1041240521173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1041240521173 is an equidigital number, since it uses as much as digits as its factorization.

1041240521173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 1041240521173 its reverse (3711250421401), we get a palindrome (4752490942574).

The spelling of 1041240521173 in words is "one trillion, forty-one billion, two hundred forty million, five hundred twenty-one thousand, one hundred seventy-three".