111961741 has 8 divisors (see below), whose sum is σ = 115158240. Its totient is φ = 108774288.

The previous prime is 111961727. The next prime is 111961747. The reversal of 111961741 is 147169111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111961741 - 2⁵ = 111961709 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 (111961747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28770 + ... + 32428.

It is an arithmetic number, because the mean of its divisors is an integer number (14394780).

Almost surely, 2^111961741 is an apocalyptic number.

It is an amenable number.

111961741 is a deficient number, since it is larger than the sum of its proper divisors (3196499).

111961741 is an equidigital number, since it uses as much as digits as its factorization.

111961741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4523.

The product of its digits is 1512, while the sum is 31.

The square root of 111961741 is about 10581.1975220199. The cubic root of 111961741 is about 481.9735598979.

The spelling of 111961741 in words is "one hundred eleven million, nine hundred sixty-one thousand, seven hundred forty-one".