1241025541 has 16 divisors (see below), whose sum is σ = 1446835968. Its totient is φ = 1042473600.

The previous prime is 1241025479. The next prime is 1241025557. The reversal of 1241025541 is 1455201421.

It is not a de Polignac number, because 1241025541 - 2¹¹ = 1241023493 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 (1241025941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114816 + ... + 125158.

It is an arithmetic number, because the mean of its divisors is an integer number (90427248).

Almost surely, 2^1241025541 is an apocalyptic number.

It is an amenable number.

1241025541 is a deficient number, since it is larger than the sum of its proper divisors (205810427).

1241025541 is a wasteful number, since it uses less digits than its factorization.

1241025541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10692.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1241025541 is about 35228.1924174375. The cubic root of 1241025541 is about 1074.6331659117.

Adding to 1241025541 its reverse (1455201421), we get a palindrome (2696226962).

The spelling of 1241025541 in words is "one billion, two hundred forty-one million, twenty-five thousand, five hundred forty-one".