1161008039 has 2 divisors, whose sum is σ = 1161008040. Its totient is φ = 1161008038.

The previous prime is 1161008021. The next prime is 1161008143. The reversal of 1161008039 is 9308001611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1161008039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1161008239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580504019 + 580504020.

It is an arithmetic number, because the mean of its divisors is an integer number (580504020).

Almost surely, 2^1161008039 is an apocalyptic number.

1161008039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1161008039 is an equidigital number, since it uses as much as digits as its factorization.

1161008039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1161008039 is about 34073.5680403447. The cubic root of 1161008039 is about 1051.0218439344.

The spelling of 1161008039 in words is "one billion, one hundred sixty-one million, eight thousand, thirty-nine".