104945761 has 2 divisors, whose sum is σ = 104945762. Its totient is φ = 104945760.

The previous prime is 104945747. The next prime is 104945839. The reversal of 104945761 is 167549401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68161536 + 36784225 = 8256^2 + 6065^2 .

It is a cyclic number.

It is not a de Polignac number, because 104945761 - 2²¹ = 102848609 is a prime.

It is a super-2 number, since 2×104945761² = 22027225503738242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104945761.

It is not a weakly prime, because it can be changed into another prime (104945741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52472880 + 52472881.

It is an arithmetic number, because the mean of its divisors is an integer number (52472881).

Almost surely, 2^104945761 is an apocalyptic number.

It is an amenable number.

104945761 is a deficient number, since it is larger than the sum of its proper divisors (1).

104945761 is an equidigital number, since it uses as much as digits as its factorization.

104945761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 104945761 is about 10244.3038318863. The cubic root of 104945761 is about 471.6881513408.

The spelling of 104945761 in words is "one hundred four million, nine hundred forty-five thousand, seven hundred sixty-one".