1173412073 has 2 divisors, whose sum is σ = 1173412074. Its totient is φ = 1173412072.

The previous prime is 1173412069. The next prime is 1173412139. The reversal of 1173412073 is 3702143711.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 687121369 + 486290704 = 26213^2 + 22052^2 .

It is a cyclic number.

It is not a de Polignac number, because 1173412073 - 2² = 1173412069 is a prime.

It is not a weakly prime, because it can be changed into another prime (1173412003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586706036 + 586706037.

It is an arithmetic number, because the mean of its divisors is an integer number (586706037).

Almost surely, 2^1173412073 is an apocalyptic number.

It is an amenable number.

1173412073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1173412073 is an equidigital number, since it uses as much as digits as its factorization.

1173412073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 1173412073 is about 34255.1028753382. The cubic root of 1173412073 is about 1054.7515787136.

Adding to 1173412073 its reverse (3702143711), we get a palindrome (4875555784).

The spelling of 1173412073 in words is "one billion, one hundred seventy-three million, four hundred twelve thousand, seventy-three".