1153202401 has 4 divisors (see below), whose sum is σ = 1241910292. Its totient is φ = 1064494512.

The previous prime is 1153202399. The next prime is 1153202411. The reversal of 1153202401 is 1042023511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88811776 + 1064390625 = 9424^2 + 32625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1153202401 - 2¹ = 1153202399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1153202411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44353926 + ... + 44353951.

It is an arithmetic number, because the mean of its divisors is an integer number (310477573).

Almost surely, 2^1153202401 is an apocalyptic number.

It is an amenable number.

1153202401 is a deficient number, since it is larger than the sum of its proper divisors (88707891).

1153202401 is an equidigital number, since it uses as much as digits as its factorization.

1153202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88707890.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1153202401 is about 33958.8339169648. The cubic root of 1153202401 is about 1048.6611510121.

Adding to 1153202401 its reverse (1042023511), we get a palindrome (2195225912).

The spelling of 1153202401 in words is "one billion, one hundred fifty-three million, two hundred two thousand, four hundred one".