1123541455 has 8 divisors (see below), whose sum is σ = 1356838272. Its totient is φ = 893107488.

The previous prime is 1123541437. The next prime is 1123541477. The reversal of 1123541455 is 5541453211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123541455 - 2¹³ = 1123533263 is a prime.

It is a super-2 number, since 2×1123541455² = 2524690802207034050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714847 + ... + 716416.

It is an arithmetic number, because the mean of its divisors is an integer number (169604784).

Almost surely, 2^1123541455 is an apocalyptic number.

1123541455 is a deficient number, since it is larger than the sum of its proper divisors (233296817).

1123541455 is a wasteful number, since it uses less digits than its factorization.

1123541455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431425.

The product of its digits is 12000, while the sum is 31.

The square root of 1123541455 is about 33519.2699055334. The cubic root of 1123541455 is about 1039.5922510907.

Adding to 1123541455 its reverse (5541453211), we get a palindrome (6664994666).

The spelling of 1123541455 in words is "one billion, one hundred twenty-three million, five hundred forty-one thousand, four hundred fifty-five".