1248288953 has 4 divisors (see below), whose sum is σ = 1248360420. Its totient is φ = 1248217488.

The previous prime is 1248288949. The next prime is 1248288973. The reversal of 1248288953 is 3598828421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1041159289 + 207129664 = 32267^2 + 14392^2 .

It is a cyclic number.

It is not a de Polignac number, because 1248288953 - 2² = 1248288949 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1248288973) 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, 9851 + ... + 50927.

It is an arithmetic number, because the mean of its divisors is an integer number (312090105).

Almost surely, 2^1248288953 is an apocalyptic number.

It is an amenable number.

1248288953 is a deficient number, since it is larger than the sum of its proper divisors (71467).

1248288953 is an equidigital number, since it uses as much as digits as its factorization.

1248288953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71466.

The product of its digits is 1105920, while the sum is 50.

The square root of 1248288953 is about 35331.1329141877. The cubic root of 1248288953 is about 1076.7256087102.

The spelling of 1248288953 in words is "one billion, two hundred forty-eight million, two hundred eighty-eight thousand, nine hundred fifty-three".