1128417845 has 8 divisors (see below), whose sum is σ = 1354508160. Its totient is φ = 902463120.

The previous prime is 1128417761. The next prime is 1128417863. The reversal of 1128417845 is 5487148211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1128417845 - 2¹² = 1128413749 is a prime.

It is a super-3 number, since 3×1128417845³ (a number of 28 digits) contains 333 as substring.

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, 14585 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (169313520).

Almost surely, 2^1128417845 is an apocalyptic number.

It is an amenable number.

1128417845 is a deficient number, since it is larger than the sum of its proper divisors (226090315).

1128417845 is an equidigital number, since it uses as much as digits as its factorization.

1128417845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67795.

The product of its digits is 71680, while the sum is 41.

The square root of 1128417845 is about 33591.9312484412. The cubic root of 1128417845 is about 1041.0940917578.

The spelling of 1128417845 in words is "one billion, one hundred twenty-eight million, four hundred seventeen thousand, eight hundred forty-five".