110001961 has 4 divisors (see below), whose sum is σ = 110121300. Its totient is φ = 109882624.

The previous prime is 110001943. The next prime is 110001973. The reversal of 110001961 is 169100011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45697600 + 64304361 = 6760^2 + 8019^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001961 - 2⁵ = 110001929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110001061) 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, 58276 + ... + 60133.

It is an arithmetic number, because the mean of its divisors is an integer number (27530325).

Almost surely, 2^110001961 is an apocalyptic number.

It is an amenable number.

110001961 is a deficient number, since it is larger than the sum of its proper divisors (119339).

110001961 is an equidigital number, since it uses as much as digits as its factorization.

110001961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119338.

The product of its (nonzero) digits is 54, while the sum is 19.

The square root of 110001961 is about 10488.1819682917. The cubic root of 110001961 is about 479.1448329543.

Adding to 110001961 its reverse (169100011), we get a palindrome (279101972).

The spelling of 110001961 in words is "one hundred ten million, one thousand, nine hundred sixty-one".