1118530454 has 4 divisors (see below), whose sum is σ = 1677795684. Its totient is φ = 559265226.

The previous prime is 1118530451. The next prime is 1118530463. The reversal of 1118530454 is 4540358111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4540358111 = 5651 ⋅803461.

It is a super-2 number, since 2×1118530454² = 2502220753050892232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1118530454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118530451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 279632612 + ... + 279632615.

It is an arithmetic number, because the mean of its divisors is an integer number (419448921).

Almost surely, 2^1118530454 is an apocalyptic number.

1118530454 is a deficient number, since it is larger than the sum of its proper divisors (559265230).

1118530454 is an equidigital number, since it uses as much as digits as its factorization.

1118530454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559265229.

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 1118530454 is about 33444.4383119227. The cubic root of 1118530454 is about 1038.0444186599.

Adding to 1118530454 its reverse (4540358111), we get a palindrome (5658888565).

The spelling of 1118530454 in words is "one billion, one hundred eighteen million, five hundred thirty thousand, four hundred fifty-four".