111248461 has 4 divisors (see below), whose sum is σ = 111813372. Its totient is φ = 110683552.

The previous prime is 111248419. The next prime is 111248479. The reversal of 111248461 is 164842111.

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 88266025 + 22982436 = 9395^2 + 4794^2 .

It is a cyclic number.

It is not a de Polignac number, because 111248461 - 2¹¹ = 111246413 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 (111248411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282160 + ... + 282553.

It is an arithmetic number, because the mean of its divisors is an integer number (27953343).

Almost surely, 2^111248461 is an apocalyptic number.

It is an amenable number.

111248461 is a deficient number, since it is larger than the sum of its proper divisors (564911).

111248461 is an equidigital number, since it uses as much as digits as its factorization.

111248461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564910.

The product of its digits is 1536, while the sum is 28.

The square root of 111248461 is about 10547.4385990154. The cubic root of 111248461 is about 480.9478680193.

The spelling of 111248461 in words is "one hundred eleven million, two hundred forty-eight thousand, four hundred sixty-one".