101806741 has 2 divisors, whose sum is σ = 101806742. Its totient is φ = 101806740.

The previous prime is 101806739. The next prime is 101806811. The reversal of 101806741 is 147608101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84824100 + 16982641 = 9210^2 + 4121^2 .

It is a cyclic number.

It is not a de Polignac number, because 101806741 - 2¹ = 101806739 is a prime.

It is a super-2 number, since 2×101806741² = 20729225026082162, which contains 22 as substring.

Together with 101806739, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101806711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50903370 + 50903371.

It is an arithmetic number, because the mean of its divisors is an integer number (50903371).

Almost surely, 2^101806741 is an apocalyptic number.

It is an amenable number.

101806741 is a deficient number, since it is larger than the sum of its proper divisors (1).

101806741 is an equidigital number, since it uses as much as digits as its factorization.

101806741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 101806741 is about 10089.9326558704. The cubic root of 101806741 is about 466.9375981744.

The spelling of 101806741 in words is "one hundred one million, eight hundred six thousand, seven hundred forty-one".