1174138447 has 2 divisors, whose sum is σ = 1174138448. Its totient is φ = 1174138446.

The previous prime is 1174138429. The next prime is 1174138451. The reversal of 1174138447 is 7448314711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1174138447 - 2²³ = 1165749839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1174138487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 587069223 + 587069224.

It is an arithmetic number, because the mean of its divisors is an integer number (587069224).

Almost surely, 2^1174138447 is an apocalyptic number.

1174138447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1174138447 is an equidigital number, since it uses as much as digits as its factorization.

1174138447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75264, while the sum is 40.

The square root of 1174138447 is about 34265.7036554045. The cubic root of 1174138447 is about 1054.9691737959.

The spelling of 1174138447 in words is "one billion, one hundred seventy-four million, one hundred thirty-eight thousand, four hundred forty-seven".