1153021841 has 2 divisors, whose sum is σ = 1153021842. Its totient is φ = 1153021840.

The previous prime is 1153021811. The next prime is 1153021853. The reversal of 1153021841 is 1481203511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997296400 + 155725441 = 31580^2 + 12479^2 .

It is an emirp because it is prime and its reverse (1481203511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1153021841 - 2⁶ = 1153021777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153021841.

It is not a weakly prime, because it can be changed into another prime (1153021811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576510920 + 576510921.

It is an arithmetic number, because the mean of its divisors is an integer number (576510921).

Almost surely, 2^1153021841 is an apocalyptic number.

It is an amenable number.

1153021841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153021841 is an equidigital number, since it uses as much as digits as its factorization.

1153021841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1153021841 is about 33956.1752999362. The cubic root of 1153021841 is about 1048.6064175903.

The spelling of 1153021841 in words is "one billion, one hundred fifty-three million, twenty-one thousand, eight hundred forty-one".