1123242205454 has 8 divisors (see below), whose sum is σ = 1688471153928. Its totient is φ = 560418487480.

The previous prime is 1123242205411. The next prime is 1123242205483. The reversal of 1123242205454 is 4545022423211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1123242205454² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601306457 + ... + 601308324.

It is an arithmetic number, because the mean of its divisors is an integer number (211058894241).

Almost surely, 2^{1123242205454} is an apocalyptic number.

1123242205454 is a deficient number, since it is larger than the sum of its proper divisors (565228948474).

1123242205454 is a wasteful number, since it uses less digits than its factorization.

1123242205454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202615250.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 1123242205454 its reverse (4545022423211), we get a palindrome (5668264628665).

The spelling of 1123242205454 in words is "one trillion, one hundred twenty-three billion, two hundred forty-two million, two hundred five thousand, four hundred fifty-four".