1315755 has 24 divisors (see below), whose sum is σ = 2607072. Its totient is φ = 601344.

The previous prime is 1315747. The next prime is 1315771. The reversal of 1315755 is 5575131.

It is not a de Polignac number, because 1315755 - 2³ = 1315747 is a prime.

It is a super-2 number, since 2×1315755² = 3462422440050, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

1315755 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1774 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (108628).

2^1315755 is an apocalyptic number.

1315755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315755 is a deficient number, since it is larger than the sum of its proper divisors (1291317).

1315755 is a wasteful number, since it uses less digits than its factorization.

1315755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195 (or 4192 counting only the distinct ones).

The product of its digits is 2625, while the sum is 27.

The square root of 1315755 is about 1147.0636425238. The cubic root of 1315755 is about 109.5784138407.

It can be divided in two parts, 131 and 5755, that added together give a triangular number (5886 = T₁₀₈).

The spelling of 1315755 in words is "one million, three hundred fifteen thousand, seven hundred fifty-five".