1208455 has 4 divisors (see below), whose sum is σ = 1450152. Its totient is φ = 966760.

The previous prime is 1208447. The next prime is 1208461. The reversal of 1208455 is 5548021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5548021 = 47 ⋅118043.

It is not a de Polignac number, because 1208455 - 2³ = 1208447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120841 + ... + 120850.

It is an arithmetic number, because the mean of its divisors is an integer number (362538).

2^1208455 is an apocalyptic number.

1208455 is a deficient number, since it is larger than the sum of its proper divisors (241697).

1208455 is an equidigital number, since it uses as much as digits as its factorization.

1208455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241696.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1208455 is about 1099.2975029536. The cubic root of 1208455 is about 106.5148502145.

It can be divided in two parts, 120 and 8455, that multiplied together give a triangular number (1014600 = T₁₄₂₄).

The spelling of 1208455 in words is "one million, two hundred eight thousand, four hundred fifty-five".