1231000541 has 8 divisors (see below), whose sum is σ = 1241704800. Its totient is φ = 1220322960.

The previous prime is 1231000501. The next prime is 1231000559. The reversal of 1231000541 is 1450001321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1231000541 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 (1231000501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92306 + ... + 104796.

It is an arithmetic number, because the mean of its divisors is an integer number (155213100).

Almost surely, 2^1231000541 is an apocalyptic number.

It is an amenable number.

1231000541 is a deficient number, since it is larger than the sum of its proper divisors (10704259).

1231000541 is a wasteful number, since it uses less digits than its factorization.

1231000541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13339.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1231000541 is about 35085.6172954104. The cubic root of 1231000541 is about 1071.7317115263.

Adding to 1231000541 its reverse (1450001321), we get a palindrome (2681001862).

The spelling of 1231000541 in words is "one billion, two hundred thirty-one million, five hundred forty-one", and thus it is an aban number.