1041001221 has 8 divisors (see below), whose sum is σ = 1494771040. Its totient is φ = 640616112.

The previous prime is 1041001057. The next prime is 1041001231. The reversal of 1041001221 is 1221001401.

It is a happy number.

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

It is not a de Polignac number, because 1041001221 - 2¹³ = 1040993029 is a prime.

It is a Duffinian number.

1041001221 is a modest number, since divided by 1221 gives 1041 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1041001197 and 1041001206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041001231) 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, 13346131 + ... + 13346208.

It is an arithmetic number, because the mean of its divisors is an integer number (186846380).

Almost surely, 2^1041001221 is an apocalyptic number.

It is an amenable number.

1041001221 is a deficient number, since it is larger than the sum of its proper divisors (453769819).

1041001221 is a wasteful number, since it uses less digits than its factorization.

1041001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26692355.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1041001221 is about 32264.5505315044. The cubic root of 1041001221 is about 1013.4844266155.

Adding to 1041001221 its reverse (1221001401), we get a palindrome (2262002622).

The spelling of 1041001221 in words is "one billion, forty-one million, one thousand, two hundred twenty-one".