1308255 has 16 divisors (see below), whose sum is σ = 2254560. Its totient is φ = 643968.

The previous prime is 1308247. The next prime is 1308287. The reversal of 1308255 is 5528031.

It is not a de Polignac number, because 1308255 - 2³ = 1308247 is a prime.

It is a super-2 number, since 2×1308255² = 3423062290050, which contains 22 as substring.

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, 3160 + ... + 3549.

It is an arithmetic number, because the mean of its divisors is an integer number (140910).

2^1308255 is an apocalyptic number.

1308255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1308255 is a deficient number, since it is larger than the sum of its proper divisors (946305).

1308255 is a wasteful number, since it uses less digits than its factorization.

1308255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6730.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1308255 is about 1143.7897534075. The cubic root of 1308255 is about 109.3698125431.

It can be divided in two parts, 130 and 8255, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 1308255 in words is "one million, three hundred eight thousand, two hundred fifty-five".