1086931061 has 4 divisors (see below), whose sum is σ = 1087189824. Its totient is φ = 1086672300.

The previous prime is 1086931003. The next prime is 1086931073. The reversal of 1086931061 is 1601396801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1601396801 = 281 ⋅5698921.

It is a cyclic number.

It is not a de Polignac number, because 1086931061 - 2¹⁴ = 1086914677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086931961) 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 in 3 ways as a sum of consecutive naturals, for example, 122975 + ... + 131516.

It is an arithmetic number, because the mean of its divisors is an integer number (271797456).

Almost surely, 2^1086931061 is an apocalyptic number.

It is an amenable number.

1086931061 is a deficient number, since it is larger than the sum of its proper divisors (258763).

1086931061 is an equidigital number, since it uses as much as digits as its factorization.

1086931061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258762.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1086931061 is about 32968.6375363011. The cubic root of 1086931061 is about 1028.1756946219.

The spelling of 1086931061 in words is "one billion, eighty-six million, nine hundred thirty-one thousand, sixty-one".