104781061 has 24 divisors (see below), whose sum is σ = 134841024. Its totient is φ = 80498880.

The previous prime is 104781043. The next prime is 104781071. The reversal of 104781061 is 160187401.

It is not a de Polignac number, because 104781061 - 2⁷ = 104780933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104781071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38016 + ... + 40678.

It is an arithmetic number, because the mean of its divisors is an integer number (5618376).

Almost surely, 2^104781061 is an apocalyptic number.

104781061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

104781061 is a deficient number, since it is larger than the sum of its proper divisors (30059963).

104781061 is a wasteful number, since it uses less digits than its factorization.

104781061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761 (or 2754 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 104781061 is about 10236.2620619052. The cubic root of 104781061 is about 471.4412691626.

The spelling of 104781061 in words is "one hundred four million, seven hundred eighty-one thousand, sixty-one".