106918957 has 2 divisors, whose sum is σ = 106918958. Its totient is φ = 106918956.

The previous prime is 106918951. The next prime is 106918961. The reversal of 106918957 is 759819601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106626276 + 292681 = 10326^2 + 541^2 .

It is an emirp because it is prime and its reverse (759819601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 106918957 - 2³ = 106918949 is a prime.

It is a super-2 number, since 2×106918957² = 22863326731935698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106918951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53459478 + 53459479.

It is an arithmetic number, because the mean of its divisors is an integer number (53459479).

Almost surely, 2^106918957 is an apocalyptic number.

It is an amenable number.

106918957 is a deficient number, since it is larger than the sum of its proper divisors (1).

106918957 is an equidigital number, since it uses as much as digits as its factorization.

106918957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 106918957 is about 10340.1623294801. The cubic root of 106918957 is about 474.6260502790.

The spelling of 106918957 in words is "one hundred six million, nine hundred eighteen thousand, nine hundred fifty-seven".