1128541 has 8 divisors (see below), whose sum is σ = 1189440. Its totient is φ = 1068672.

The previous prime is 1128539. The next prime is 1128553. The reversal of 1128541 is 1458211.

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

It is not a de Polignac number, because 1128541 - 2¹ = 1128539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128521) 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, 3021 + ... + 3373.

It is an arithmetic number, because the mean of its divisors is an integer number (148680).

2^1128541 is an apocalyptic number.

It is an amenable number.

1128541 is a deficient number, since it is larger than the sum of its proper divisors (60899).

1128541 is a wasteful number, since it uses less digits than its factorization.

1128541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515.

The product of its digits is 320, while the sum is 22.

The square root of 1128541 is about 1062.3281037420. The cubic root of 1128541 is about 104.1131965222.

The spelling of 1128541 in words is "one million, one hundred twenty-eight thousand, five hundred forty-one".