1085601739 has 2 divisors, whose sum is σ = 1085601740. Its totient is φ = 1085601738.

The previous prime is 1085601677. The next prime is 1085601767. The reversal of 1085601739 is 9371065801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1085601739 is a prime.

It is a super-2 number, since 2×1085601739² = 2357062271439648242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1085601799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542800869 + 542800870.

It is an arithmetic number, because the mean of its divisors is an integer number (542800870).

Almost surely, 2^1085601739 is an apocalyptic number.

1085601739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1085601739 is an equidigital number, since it uses as much as digits as its factorization.

1085601739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 1085601739 is about 32948.4709660403. The cubic root of 1085601739 is about 1027.7563689964.

The spelling of 1085601739 in words is "one billion, eighty-five million, six hundred one thousand, seven hundred thirty-nine".