1171147039 has 8 divisors (see below), whose sum is σ = 1178906400. Its totient is φ = 1163406816.

The previous prime is 1171147031. The next prime is 1171147093. The reversal of 1171147039 is 9307411711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1171147039 - 2³ = 1171147031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1171146995 and 1171147013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171147031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130377 + ... + 139069.

It is an arithmetic number, because the mean of its divisors is an integer number (147363300).

Almost surely, 2^1171147039 is an apocalyptic number.

1171147039 is a deficient number, since it is larger than the sum of its proper divisors (7759361).

1171147039 is an equidigital number, since it uses as much as digits as its factorization.

1171147039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569.

The product of its (nonzero) digits is 5292, while the sum is 34.

The square root of 1171147039 is about 34222.0256413907. The cubic root of 1171147039 is about 1054.0724802441.

The spelling of 1171147039 in words is "one billion, one hundred seventy-one million, one hundred forty-seven thousand, thirty-nine".