106749043 has 2 divisors, whose sum is σ = 106749044. Its totient is φ = 106749042.

The previous prime is 106748951. The next prime is 106749047. The reversal of 106749043 is 340947601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106749043 - 2²¹ = 104651891 is a prime.

It is a super-2 number, since 2×106749043² = 22790716362831698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (106749047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53374521 + 53374522.

It is an arithmetic number, because the mean of its divisors is an integer number (53374522).

Almost surely, 2^106749043 is an apocalyptic number.

106749043 is a deficient number, since it is larger than the sum of its proper divisors (1).

106749043 is an equidigital number, since it uses as much as digits as its factorization.

106749043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 106749043 is about 10331.9428473061. The cubic root of 106749043 is about 474.3744941128.

The spelling of 106749043 in words is "one hundred six million, seven hundred forty-nine thousand, forty-three".