104997943 has 2 divisors, whose sum is σ = 104997944. Its totient is φ = 104997942.

The previous prime is 104997931. The next prime is 104997973. The reversal of 104997943 is 349799401.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 104997943 - 2¹³ = 104989751 is a prime.

It is a super-2 number, since 2×104997943² = 22049136068462498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 104997893 and 104997902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104997913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52498971 + 52498972.

It is an arithmetic number, because the mean of its divisors is an integer number (52498972).

Almost surely, 2^104997943 is an apocalyptic number.

104997943 is a deficient number, since it is larger than the sum of its proper divisors (1).

104997943 is an equidigital number, since it uses as much as digits as its factorization.

104997943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 104997943 is about 10246.8503941455. The cubic root of 104997943 is about 471.7663172825.

The spelling of 104997943 in words is "one hundred four million, nine hundred ninety-seven thousand, nine hundred forty-three".