1172242493 has 2 divisors, whose sum is σ = 1172242494. Its totient is φ = 1172242492.

The previous prime is 1172242483. The next prime is 1172242517. The reversal of 1172242493 is 3942422711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1172240644 + 1849 = 34238^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172242493 - 2⁸ = 1172242237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1172242433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586121246 + 586121247.

It is an arithmetic number, because the mean of its divisors is an integer number (586121247).

Almost surely, 2^1172242493 is an apocalyptic number.

It is an amenable number.

1172242493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172242493 is an equidigital number, since it uses as much as digits as its factorization.

1172242493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 1172242493 is about 34238.0270021507. The cubic root of 1172242493 is about 1054.4010265449.

The spelling of 1172242493 in words is "one billion, one hundred seventy-two million, two hundred forty-two thousand, four hundred ninety-three".