1188248353 has 4 divisors (see below), whose sum is σ = 1250787760. Its totient is φ = 1125708948.

The previous prime is 1188248339. The next prime is 1188248357. The reversal of 1188248353 is 3538428811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3538428811 = 34583 ⋅102317.

It is a cyclic number.

It is not a de Polignac number, because 1188248353 - 2¹³ = 1188240161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1188248357) 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, 31269675 + ... + 31269712.

It is an arithmetic number, because the mean of its divisors is an integer number (312696940).

Almost surely, 2^1188248353 is an apocalyptic number.

It is an amenable number.

1188248353 is a deficient number, since it is larger than the sum of its proper divisors (62539407).

1188248353 is an equidigital number, since it uses as much as digits as its factorization.

1188248353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62539406.

The product of its digits is 184320, while the sum is 43.

The square root of 1188248353 is about 34470.9784166333. The cubic root of 1188248353 is about 1059.1782978630.

The spelling of 1188248353 in words is "one billion, one hundred eighty-eight million, two hundred forty-eight thousand, three hundred fifty-three".