109956947 has 2 divisors, whose sum is σ = 109956948. Its totient is φ = 109956946.

The previous prime is 109956941. The next prime is 109957049. The reversal of 109956947 is 749659901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109956947 - 2⁶ = 109956883 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 109956895 and 109956904.

It is not a weakly prime, because it can be changed into another prime (109956941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54978473 + 54978474.

It is an arithmetic number, because the mean of its divisors is an integer number (54978474).

Almost surely, 2^109956947 is an apocalyptic number.

109956947 is a deficient number, since it is larger than the sum of its proper divisors (1).

109956947 is an equidigital number, since it uses as much as digits as its factorization.

109956947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 612360, while the sum is 50.

The square root of 109956947 is about 10486.0358095898. The cubic root of 109956947 is about 479.0794669434.

The spelling of 109956947 in words is "one hundred nine million, nine hundred fifty-six thousand, nine hundred forty-seven".