103561967 has 4 divisors (see below), whose sum is σ = 105107736. Its totient is φ = 102016200.

The previous prime is 103561963. The next prime is 103561993. The reversal of 103561967 is 769165301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 769165301 = 5059 ⋅152039.

It is a cyclic number.

It is not a de Polignac number, because 103561967 - 2² = 103561963 is a prime.

It is a super-3 number, since 3×103561967³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103561967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103561963) 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, 772784 + ... + 772917.

It is an arithmetic number, because the mean of its divisors is an integer number (26276934).

Almost surely, 2^103561967 is an apocalyptic number.

103561967 is a deficient number, since it is larger than the sum of its proper divisors (1545769).

103561967 is an equidigital number, since it uses as much as digits as its factorization.

103561967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1545768.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 103561967 is about 10176.5400308749. The cubic root of 103561967 is about 469.6057762635.

The spelling of 103561967 in words is "one hundred three million, five hundred sixty-one thousand, nine hundred sixty-seven".