106391147 has 2 divisors, whose sum is σ = 106391148. Its totient is φ = 106391146.

The previous prime is 106391113. The next prime is 106391167. The reversal of 106391147 is 741193601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106391147 - 2²⁶ = 39282283 is a prime.

It is a super-2 number, since 2×106391147² = 22638152319951218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106391167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53195573 + 53195574.

It is an arithmetic number, because the mean of its divisors is an integer number (53195574).

Almost surely, 2^106391147 is an apocalyptic number.

106391147 is a deficient number, since it is larger than the sum of its proper divisors (1).

106391147 is an equidigital number, since it uses as much as digits as its factorization.

106391147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 106391147 is about 10314.6084268866. The cubic root of 106391147 is about 473.8437576635.

The spelling of 106391147 in words is "one hundred six million, three hundred ninety-one thousand, one hundred forty-seven".