1117022454 has 16 divisors (see below), whose sum is σ = 2482272240. Its totient is φ = 372340800.

The previous prime is 1117022449. The next prime is 1117022461. The reversal of 1117022454 is 4542207111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10342747 + ... + 10342854.

It is an arithmetic number, because the mean of its divisors is an integer number (155142015).

Almost surely, 2^1117022454 is an apocalyptic number.

1117022454 is an abundant number, since it is smaller than the sum of its proper divisors (1365249786).

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

1117022454 is a wasteful number, since it uses less digits than its factorization.

1117022454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20685612 (or 20685606 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1117022454 is about 33421.8858534344. The cubic root of 1117022454 is about 1037.5777125512.

Adding to 1117022454 its reverse (4542207111), we get a palindrome (5659229565).

The spelling of 1117022454 in words is "one billion, one hundred seventeen million, twenty-two thousand, four hundred fifty-four".