1348120257 has 8 divisors (see below), whose sum is σ = 1960902240. Its totient is φ = 817042560.

The previous prime is 1348120231. The next prime is 1348120283. The reversal of 1348120257 is 7520218431.

It is an interprime number because it is at equal distance from previous prime (1348120231) and next prime (1348120283).

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

It is not a de Polignac number, because 1348120257 - 2¹⁰ = 1348119233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 40852129 = 1348120257 / (1 + 3 + 4 + 8 + 1 + 2 + 0 + 2 + 5 + 7).

It is not an unprimeable number, because it can be changed into a prime (1348120217) 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, 20426032 + ... + 20426097.

It is an arithmetic number, because the mean of its divisors is an integer number (245112780).

Almost surely, 2^1348120257 is an apocalyptic number.

It is an amenable number.

1348120257 is a deficient number, since it is larger than the sum of its proper divisors (612781983).

1348120257 is a wasteful number, since it uses less digits than its factorization.

1348120257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40852143.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1348120257 is about 36716.7571689004. The cubic root of 1348120257 is about 1104.6962459585.

Adding to 1348120257 its reverse (7520218431), we get a palindrome (8868338688).

The spelling of 1348120257 in words is "one billion, three hundred forty-eight million, one hundred twenty thousand, two hundred fifty-seven".