1086665123 has 2 divisors, whose sum is σ = 1086665124. Its totient is φ = 1086665122.

The previous prime is 1086665089. The next prime is 1086665131. The reversal of 1086665123 is 3215666801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1086665123 - 2⁶ = 1086665059 is a prime.

It is not a weakly prime, because it can be changed into another prime (1086661123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543332561 + 543332562.

It is an arithmetic number, because the mean of its divisors is an integer number (543332562).

Almost surely, 2^1086665123 is an apocalyptic number.

1086665123 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086665123 is an equidigital number, since it uses as much as digits as its factorization.

1086665123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1086665123 is about 32964.6040928751. The cubic root of 1086665123 is about 1028.0918336483.

The spelling of 1086665123 in words is "one billion, eighty-six million, six hundred sixty-five thousand, one hundred twenty-three".