1141018621 has 2 divisors, whose sum is σ = 1141018622. Its totient is φ = 1141018620.

The previous prime is 1141018591. The next prime is 1141018693. The reversal of 1141018621 is 1268101411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1023296121 + 117722500 = 31989^2 + 10850^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141018621 - 2¹¹ = 1141016573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1141010621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570509310 + 570509311.

It is an arithmetic number, because the mean of its divisors is an integer number (570509311).

Almost surely, 2^1141018621 is an apocalyptic number.

It is an amenable number.

1141018621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141018621 is an equidigital number, since it uses as much as digits as its factorization.

1141018621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 1141018621 is about 33778.9671393309. The cubic root of 1141018621 is about 1044.9549734497.

The spelling of 1141018621 in words is "one billion, one hundred forty-one million, eighteen thousand, six hundred twenty-one".