1315455 has 8 divisors (see below), whose sum is σ = 2104752. Its totient is φ = 701568.

The previous prime is 1315453. The next prime is 1315463. The reversal of 1315455 is 5545131.

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

It is not a de Polignac number, because 1315455 - 2¹ = 1315453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43834 + ... + 43863.

It is an arithmetic number, because the mean of its divisors is an integer number (263094).

2^1315455 is an apocalyptic number.

1315455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315455 is a deficient number, since it is larger than the sum of its proper divisors (789297).

1315455 is an equidigital number, since it uses as much as digits as its factorization.

1315455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87705.

The product of its digits is 1500, while the sum is 24.

The square root of 1315455 is about 1146.9328663876. The cubic root of 1315455 is about 109.5700850300.

It can be divided in two parts, 1315 and 455, that added together give a triangular number (1770 = T₅₉).

The spelling of 1315455 in words is "one million, three hundred fifteen thousand, four hundred fifty-five".