106312861 has 2 divisors, whose sum is σ = 106312862. Its totient is φ = 106312860.

The previous prime is 106312799. The next prime is 106312879. The reversal of 106312861 is 168213601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106213636 + 99225 = 10306^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 106312861 - 2¹³ = 106304669 is a prime.

It is a super-2 number, since 2×106312861² = 22604848828010642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106312891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53156430 + 53156431.

It is an arithmetic number, because the mean of its divisors is an integer number (53156431).

Almost surely, 2^106312861 is an apocalyptic number.

It is an amenable number.

106312861 is a deficient number, since it is larger than the sum of its proper divisors (1).

106312861 is an equidigital number, since it uses as much as digits as its factorization.

106312861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 106312861 is about 10310.8128195599. The cubic root of 106312861 is about 473.7275060272.

It can be divided in two parts, 1063 and 12861, that added together give a square (13924 = 118²).

The spelling of 106312861 in words is "one hundred six million, three hundred twelve thousand, eight hundred sixty-one".