1248549255 has 16 divisors (see below), whose sum is σ = 2219643360. Its totient is φ = 665892864.

The previous prime is 1248549233. The next prime is 1248549287. The reversal of 1248549255 is 5529458421.

1248549255 is a `hidden beast` number, since 12 + 48 + 549 + 2 + 55 = 666.

It is not a de Polignac number, because 1248549255 - 2⁸ = 1248548999 is a prime.

It is a super-2 number, since 2×1248549255² = 3117750484322110050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1248549255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4624122 + ... + 4624391.

It is an arithmetic number, because the mean of its divisors is an integer number (138727710).

Almost surely, 2^1248549255 is an apocalyptic number.

1248549255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1248549255 is a deficient number, since it is larger than the sum of its proper divisors (971094105).

1248549255 is an equidigital number, since it uses as much as digits as its factorization.

1248549255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9248527 (or 9248521 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The square root of 1248549255 is about 35334.8164704446. The cubic root of 1248549255 is about 1076.8004456432.

The spelling of 1248549255 in words is "one billion, two hundred forty-eight million, five hundred forty-nine thousand, two hundred fifty-five".