103578061 has 4 divisors (see below), whose sum is σ = 105276124. Its totient is φ = 101880000.

The previous prime is 103578029. The next prime is 103578067. The reversal of 103578061 is 160875301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160875301 = 17 ⋅9463253.

It can be written as a sum of positive squares in 2 ways, for example, as 7733961 + 95844100 = 2781^2 + 9790^2 .

It is a cyclic number.

It is not a de Polignac number, because 103578061 - 2⁵ = 103578029 is a prime.

It is a super-3 number, since 3×103578061³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103578067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848940 + ... + 849061.

It is an arithmetic number, because the mean of its divisors is an integer number (26319031).

Almost surely, 2^103578061 is an apocalyptic number.

It is an amenable number.

103578061 is a deficient number, since it is larger than the sum of its proper divisors (1698063).

103578061 is an equidigital number, since it uses as much as digits as its factorization.

103578061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698062.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 103578061 is about 10177.3307404250. The cubic root of 103578061 is about 469.6301012936.

The spelling of 103578061 in words is "one hundred three million, five hundred seventy-eight thousand, sixty-one".