1011541 has 4 divisors (see below), whose sum is σ = 1064800. Its totient is φ = 958284.

The previous prime is 1011539. The next prime is 1011553. The reversal of 1011541 is 1451101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1451101 = 919 ⋅1579.

It is not a de Polignac number, because 1011541 - 2¹ = 1011539 is a prime.

It is a Duffinian number.

1011541 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26601 + ... + 26638.

It is an arithmetic number, because the mean of its divisors is an integer number (266200).

2^1011541 is an apocalyptic number.

It is an amenable number.

1011541 is a deficient number, since it is larger than the sum of its proper divisors (53259).

1011541 is an equidigital number, since it uses as much as digits as its factorization.

1011541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53258.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 1011541 is about 1005.7539460524. The cubic root of 1011541 is about 100.3832294756.

Adding to 1011541 its reverse (1451101), we get a palindrome (2462642).

The spelling of 1011541 in words is "one million, eleven thousand, five hundred forty-one".