1248194397 has 4 divisors (see below), whose sum is σ = 1664259200. Its totient is φ = 832129596.

The previous prime is 1248194393. The next prime is 1248194419. The reversal of 1248194397 is 7934918421.

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.

It is not a de Polignac number, because 1248194397 - 2² = 1248194393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248194393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208032397 + ... + 208032402.

It is an arithmetic number, because the mean of its divisors is an integer number (416064800).

Almost surely, 2^1248194397 is an apocalyptic number.

It is an amenable number.

1248194397 is a deficient number, since it is larger than the sum of its proper divisors (416064803).

1248194397 is an equidigital number, since it uses as much as digits as its factorization.

1248194397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416064802.

The product of its digits is 435456, while the sum is 48.

The square root of 1248194397 is about 35329.7947489085. The cubic root of 1248194397 is about 1076.6984212450.

The spelling of 1248194397 in words is "one billion, two hundred forty-eight million, one hundred ninety-four thousand, three hundred ninety-seven".