1248676257 has 12 divisors (see below), whose sum is σ = 1757141520. Its totient is φ = 788636952.

The previous prime is 1248676243. The next prime is 1248676271. The reversal of 1248676257 is 7526768421.

It is an interprime number because it is at equal distance from previous prime (1248676243) and next prime (1248676271).

It is not a de Polignac number, because 1248676257 - 2⁴ = 1248676241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248676207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 575407 + ... + 577572.

It is an arithmetic number, because the mean of its divisors is an integer number (146428460).

Almost surely, 2^1248676257 is an apocalyptic number.

It is an amenable number.

1248676257 is a deficient number, since it is larger than the sum of its proper divisors (508465263).

1248676257 is a wasteful number, since it uses less digits than its factorization.

1248676257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153020 (or 1153001 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 48.

The square root of 1248676257 is about 35336.6135474242. The cubic root of 1248676257 is about 1076.8369549954.

The spelling of 1248676257 in words is "one billion, two hundred forty-eight million, six hundred seventy-six thousand, two hundred fifty-seven".