111924361 has 4 divisors (see below), whose sum is σ = 112951300. Its totient is φ = 110897424.

The previous prime is 111924359. The next prime is 111924377. The reversal of 111924361 is 163429111.

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 26010000 + 85914361 = 5100^2 + 9269^2 .

It is a cyclic number.

It is not a de Polignac number, because 111924361 - 2¹ = 111924359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111924331) 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, 513306 + ... + 513523.

It is an arithmetic number, because the mean of its divisors is an integer number (28237825).

Almost surely, 2^111924361 is an apocalyptic number.

It is an amenable number.

111924361 is a deficient number, since it is larger than the sum of its proper divisors (1026939).

111924361 is a wasteful number, since it uses less digits than its factorization.

111924361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026938.

The product of its digits is 1296, while the sum is 28.

The square root of 111924361 is about 10579.4310338505. The cubic root of 111924361 is about 481.9199160464.

The spelling of 111924361 in words is "one hundred eleven million, nine hundred twenty-four thousand, three hundred sixty-one".