1117530454 has 4 divisors (see below), whose sum is σ = 1676295684. Its totient is φ = 558765226.

The previous prime is 1117530451. The next prime is 1117530497. The reversal of 1117530454 is 4540357111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4540357111 = 103 ⋅44081137.

It is a super-2 number, since 2×1117530454² = 2497748631234892232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117530451) 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 as a sum of consecutive naturals, namely, 279382612 + ... + 279382615.

It is an arithmetic number, because the mean of its divisors is an integer number (419073921).

Almost surely, 2^1117530454 is an apocalyptic number.

1117530454 is a deficient number, since it is larger than the sum of its proper divisors (558765230).

1117530454 is an equidigital number, since it uses as much as digits as its factorization.

1117530454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558765229.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 1117530454 is about 33429.4848000983. The cubic root of 1117530454 is about 1037.7349787407.

Adding to 1117530454 its reverse (4540357111), we get a palindrome (5657887565).

The spelling of 1117530454 in words is "one billion, one hundred seventeen million, five hundred thirty thousand, four hundred fifty-four".