1248295397 has 8 divisors (see below), whose sum is σ = 1322429976. Its totient is φ = 1174239232.

The previous prime is 1248295393. The next prime is 1248295439. The reversal of 1248295397 is 7935928421.

It can be written as a sum of positive squares in 4 ways, for example, as 154604356 + 1093691041 = 12434^2 + 33071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1248295397 - 2² = 1248295393 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 (1248295393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14933 + ... + 52149.

It is an arithmetic number, because the mean of its divisors is an integer number (165303747).

Almost surely, 2^1248295397 is an apocalyptic number.

1248295397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1248295397 is a deficient number, since it is larger than the sum of its proper divisors (74134579).

1248295397 is a wasteful number, since it uses less digits than its factorization.

1248295397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39207.

The product of its digits is 1088640, while the sum is 50.

The square root of 1248295397 is about 35331.2241084285. The cubic root of 1248295397 is about 1076.7274614884.

The spelling of 1248295397 in words is "one billion, two hundred forty-eight million, two hundred ninety-five thousand, three hundred ninety-seven".