1211004041 has 8 divisors (see below), whose sum is σ = 1305805704. Its totient is φ = 1116437760.

The previous prime is 1211004037. The next prime is 1211004059. The reversal of 1211004041 is 1404001121.

It can be written as a sum of positive squares in 4 ways, for example, as 12390400 + 1198613641 = 3520^2 + 34621^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1211004041 - 2² = 1211004037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1211004031) 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 7 ways as a sum of consecutive naturals, for example, 48080 + ... + 68801.

It is an arithmetic number, because the mean of its divisors is an integer number (163225713).

Almost surely, 2^1211004041 is an apocalyptic number.

It is an amenable number.

1211004041 is a deficient number, since it is larger than the sum of its proper divisors (94801663).

1211004041 is a wasteful number, since it uses less digits than its factorization.

1211004041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117691.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1211004041 is about 34799.4833438659. The cubic root of 1211004041 is about 1065.8968958686.

Adding to 1211004041 its reverse (1404001121), we get a palindrome (2615005162).

The spelling of 1211004041 in words is "one billion, two hundred eleven million, four thousand, forty-one".