1153541 has 8 divisors (see below), whose sum is σ = 1204224. Its totient is φ = 1103760.

The previous prime is 1153531. The next prime is 1153553. The reversal of 1153541 is 1453511.

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 1153541 - 2¹⁰ = 1152517 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153511) 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, 3791 + ... + 4083.

It is an arithmetic number, because the mean of its divisors is an integer number (150528).

2^1153541 is an apocalyptic number.

It is an amenable number.

1153541 is a deficient number, since it is larger than the sum of its proper divisors (50683).

1153541 is a wasteful number, since it uses less digits than its factorization.

1153541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451.

The product of its digits is 300, while the sum is 20.

The square root of 1153541 is about 1074.0302602813. The cubic root of 1153541 is about 104.8763775631.

The spelling of 1153541 in words is "one million, one hundred fifty-three thousand, five hundred forty-one".