111414257 has 4 divisors (see below), whose sum is σ = 111470580. Its totient is φ = 111357936.

The previous prime is 111414223. The next prime is 111414263. The reversal of 111414257 is 752414111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752414111 = 23 ⋅32713657.

It can be written as a sum of positive squares in 2 ways, for example, as 81558961 + 29855296 = 9031^2 + 5464^2 .

It is a cyclic number.

It is not a de Polignac number, because 111414257 - 2¹⁰ = 111413233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111414557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25082 + ... + 29187.

It is an arithmetic number, because the mean of its divisors is an integer number (27867645).

Almost surely, 2^111414257 is an apocalyptic number.

It is an amenable number.

111414257 is a deficient number, since it is larger than the sum of its proper divisors (56323).

111414257 is an equidigital number, since it uses as much as digits as its factorization.

111414257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56322.

The product of its digits is 1120, while the sum is 26.

The square root of 111414257 is about 10555.2952114093. The cubic root of 111414257 is about 481.1866717816.

Adding to 111414257 its reverse (752414111), we get a palindrome (863828368).

The spelling of 111414257 in words is "one hundred eleven million, four hundred fourteen thousand, two hundred fifty-seven".