86121107 has 2 divisors, whose sum is σ = 86121108. Its totient is φ = 86121106.

The previous prime is 86121073. The next prime is 86121169. The reversal of 86121107 is 70112168.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 86121107 - 2⁶ = 86121043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (86021107) 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, 43060553 + 43060554.

It is an arithmetic number, because the mean of its divisors is an integer number (43060554).

Almost surely, 2^86121107 is an apocalyptic number.

86121107 is a deficient number, since it is larger than the sum of its proper divisors (1).

86121107 is an equidigital number, since it uses as much as digits as its factorization.

86121107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 86121107 is about 9280.1458501470. The cubic root of 86121107 is about 441.6075955332.

The spelling of 86121107 in words is "eighty-six million, one hundred twenty-one thousand, one hundred seven".