1315155 has 16 divisors (see below), whose sum is σ = 2154240. Its totient is φ = 684768.

The previous prime is 1315151. The next prime is 1315159. The reversal of 1315155 is 5515131.

It is an interprime number because it is at equal distance from previous prime (1315151) and next prime (1315159).

It is not a de Polignac number, because 1315155 - 2² = 1315151 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375 + ... + 1664.

It is an arithmetic number, because the mean of its divisors is an integer number (134640).

2^1315155 is an apocalyptic number.

1315155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1315155 is a deficient number, since it is larger than the sum of its proper divisors (839085).

1315155 is a wasteful number, since it uses less digits than its factorization.

1315155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090.

The product of its digits is 375, while the sum is 21.

The square root of 1315155 is about 1146.8020753382. The cubic root of 1315155 is about 109.5617549529.

The spelling of 1315155 in words is "one million, three hundred fifteen thousand, one hundred fifty-five".