1117214451 has 40 divisors (see below), whose sum is σ = 1707395184. Its totient is φ = 727807680.

The previous prime is 1117214437. The next prime is 1117214467. The reversal of 1117214451 is 1544127111.

It is not a de Polignac number, because 1117214451 - 2¹⁸ = 1116952307 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (1117214251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 854140 + ... + 855446.

Almost surely, 2^1117214451 is an apocalyptic number.

1117214451 is a deficient number, since it is larger than the sum of its proper divisors (590180733).

1117214451 is a wasteful number, since it uses less digits than its factorization.

1117214451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1544 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1117214451 is about 33424.7580544721. The cubic root of 1117214451 is about 1037.6371564161.

The spelling of 1117214451 in words is "one billion, one hundred seventeen million, two hundred fourteen thousand, four hundred fifty-one".