111241953 has 6 divisors (see below), whose sum is σ = 160682834. Its totient is φ = 74161296.

The previous prime is 111241913. The next prime is 111241973. The reversal of 111241953 is 359142111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 105822369 + 5419584 = 10287^2 + 2328^2 .

It is not a de Polignac number, because 111241953 - 2¹³ = 111233761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111241913) 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 5 ways as a sum of consecutive naturals, for example, 6180100 + ... + 6180117.

Almost surely, 2^111241953 is an apocalyptic number.

It is an amenable number.

111241953 is a deficient number, since it is larger than the sum of its proper divisors (49440881).

111241953 is a wasteful number, since it uses less digits than its factorization.

111241953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12360223 (or 12360220 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 111241953 is about 10547.1300835820. The cubic root of 111241953 is about 480.9384894034.

It can be divided in two parts, 111 and 241953, that added together give a square (242064 = 492²).

The spelling of 111241953 in words is "one hundred eleven million, two hundred forty-one thousand, nine hundred fifty-three".