1017139 has 2 divisors, whose sum is σ = 1017140. Its totient is φ = 1017138.

The previous prime is 1017131. The next prime is 1017157. The reversal of 1017139 is 9317101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1017139 - 2³ = 1017131 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (1017131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 508569 + 508570.

It is an arithmetic number, because the mean of its divisors is an integer number (508570).

2^1017139 is an apocalyptic number.

1017139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1017139 is an equidigital number, since it uses as much as digits as its factorization.

1017139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1017139 is about 1008.5330931606. The cubic root of 1017139 is about 100.5680668896.

It can be divided in two parts, 1017 and 139, that added together give a square (1156 = 34²).

The spelling of 1017139 in words is "one million, seventeen thousand, one hundred thirty-nine".