1117661203 has 8 divisors (see below), whose sum is σ = 1144638000. Its totient is φ = 1090729248.

The previous prime is 1117661201. The next prime is 1117661231. The reversal of 1117661203 is 3021667111.

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 1117661203 - 2¹ = 1117661201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117661201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42273 + ... + 63421.

It is an arithmetic number, because the mean of its divisors is an integer number (143079750).

Almost surely, 2^1117661203 is an apocalyptic number.

1117661203 is a deficient number, since it is larger than the sum of its proper divisors (26976797).

1117661203 is a wasteful number, since it uses less digits than its factorization.

1117661203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22421.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 1117661203 is about 33431.4403369044. The cubic root of 1117661203 is about 1037.7754481880.

The spelling of 1117661203 in words is "one billion, one hundred seventeen million, six hundred sixty-one thousand, two hundred three".