1124641141621 has 2 divisors, whose sum is σ = 1124641141622. Its totient is φ = 1124641141620.

The previous prime is 1124641141619. The next prime is 1124641141639. The reversal of 1124641141621 is 1261411464211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 864351387025 + 260289754596 = 929705^2 + 510186^2 .

It is an emirp because it is prime and its reverse (1261411464211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1124641141621 - 2¹ = 1124641141619 is a prime.

Together with 1124641141619, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1124641141681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562320570810 + 562320570811.

It is an arithmetic number, because the mean of its divisors is an integer number (562320570811).

Almost surely, 2^{1124641141621} is an apocalyptic number.

It is an amenable number.

1124641141621 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124641141621 is an equidigital number, since it uses as much as digits as its factorization.

1124641141621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 34.

The spelling of 1124641141621 in words is "one trillion, one hundred twenty-four billion, six hundred forty-one million, one hundred forty-one thousand, six hundred twenty-one".