103967861 has 4 divisors (see below), whose sum is σ = 104002272. Its totient is φ = 103933452.

The previous prime is 103967839. The next prime is 103967863. The reversal of 103967861 is 168769301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103967861 - 2¹⁸ = 103705717 is a prime.

It is a super-2 number, since 2×103967861² = 21618632241830642, which contains 22 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 (103967863) 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, 12185 + ... + 18878.

It is an arithmetic number, because the mean of its divisors is an integer number (26000568).

Almost surely, 2^103967861 is an apocalyptic number.

It is an amenable number.

103967861 is a deficient number, since it is larger than the sum of its proper divisors (34411).

103967861 is an equidigital number, since it uses as much as digits as its factorization.

103967861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34410.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 103967861 is about 10196.4631613124. The cubic root of 103967861 is about 470.2184905369.

The spelling of 103967861 in words is "one hundred three million, nine hundred sixty-seven thousand, eight hundred sixty-one".