1041221541 has 8 divisors (see below), whose sum is σ = 1401774400. Its totient is φ = 687408192.

The previous prime is 1041221537. The next prime is 1041221549. The reversal of 1041221541 is 1451221401.

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

It is not a de Polignac number, because 1041221541 - 2² = 1041221537 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 (1041221549) 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, 1684516 + ... + 1685133.

It is an arithmetic number, because the mean of its divisors is an integer number (175221800).

Almost surely, 2^1041221541 is an apocalyptic number.

It is an amenable number.

1041221541 is a deficient number, since it is larger than the sum of its proper divisors (360552859).

1041221541 is a wasteful number, since it uses less digits than its factorization.

1041221541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369755.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1041221541 is about 32267.9646243763. The cubic root of 1041221541 is about 1013.5559203319. Note that the first 3 decimals are identical.

Adding to 1041221541 its reverse (1451221401), we get a palindrome (2492442942).

The spelling of 1041221541 in words is "one billion, forty-one million, two hundred twenty-one thousand, five hundred forty-one".