106771391 has 4 divisors (see below), whose sum is σ = 106875984. Its totient is φ = 106666800.

The previous prime is 106771369. The next prime is 106771447. The reversal of 106771391 is 193177601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193177601 = 307 ⋅629243.

It is a cyclic number.

It is not a de Polignac number, because 106771391 - 2¹⁴ = 106755007 is a prime.

It is a super-2 number, since 2×106771391² = 22800259872149762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106771351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50750 + ... + 52811.

It is an arithmetic number, because the mean of its divisors is an integer number (26718996).

Almost surely, 2^106771391 is an apocalyptic number.

106771391 is a deficient number, since it is larger than the sum of its proper divisors (104593).

106771391 is a wasteful number, since it uses less digits than its factorization.

106771391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104592.

The product of its (nonzero) digits is 7938, while the sum is 35.

The square root of 106771391 is about 10333.0242910776. The cubic root of 106771391 is about 474.4075953666.

The spelling of 106771391 in words is "one hundred six million, seven hundred seventy-one thousand, three hundred ninety-one".