1180540373 has 2 divisors, whose sum is σ = 1180540374. Its totient is φ = 1180540372.

The previous prime is 1180540351. The next prime is 1180540393. The reversal of 1180540373 is 3730450811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103767729 + 76772644 = 33223^2 + 8762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1180540373 - 2⁸ = 1180540117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1180540393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 590270186 + 590270187.

It is an arithmetic number, because the mean of its divisors is an integer number (590270187).

Almost surely, 2^1180540373 is an apocalyptic number.

It is an amenable number.

1180540373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1180540373 is an equidigital number, since it uses as much as digits as its factorization.

1180540373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 1180540373 is about 34358.9926074674. The cubic root of 1180540373 is about 1056.8830868375.

The spelling of 1180540373 in words is "one billion, one hundred eighty million, five hundred forty thousand, three hundred seventy-three".