1112243454 has 48 divisors (see below), whose sum is σ = 2875194000. Its totient is φ = 317783088.

The previous prime is 1112243443. The next prime is 1112243459. The reversal of 1112243454 is 4543422111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112243459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207529 + ... + 212820.

It is an arithmetic number, because the mean of its divisors is an integer number (59899875).

Almost surely, 2^1112243454 is an apocalyptic number.

1112243454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1112243454 is an abundant number, since it is smaller than the sum of its proper divisors (1762950546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1112243454 is a wasteful number, since it uses less digits than its factorization.

1112243454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420374 (or 420361 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1112243454 is about 33350.3141514439. The cubic root of 1112243454 is about 1036.0958944593.

Adding to 1112243454 its reverse (4543422111), we get a palindrome (5655665565).

The spelling of 1112243454 in words is "one billion, one hundred twelve million, two hundred forty-three thousand, four hundred fifty-four".