1153984901 has 2 divisors, whose sum is σ = 1153984902. Its totient is φ = 1153984900.

The previous prime is 1153984883. The next prime is 1153984913. The reversal of 1153984901 is 1094893511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1053002500 + 100982401 = 32450^2 + 10049^2 .

It is an emirp because it is prime and its reverse (1094893511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1153984901 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153984961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576992450 + 576992451.

It is an arithmetic number, because the mean of its divisors is an integer number (576992451).

Almost surely, 2^1153984901 is an apocalyptic number.

It is an amenable number.

1153984901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153984901 is an equidigital number, since it uses as much as digits as its factorization.

1153984901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 1153984901 is about 33970.3532657522. The cubic root of 1153984901 is about 1048.8982853955.

The spelling of 1153984901 in words is "one billion, one hundred fifty-three million, nine hundred eighty-four thousand, nine hundred one".