1315152 has 30 divisors (see below), whose sum is σ = 3681002. Its totient is φ = 438336.
The previous prime is 1315151. The next prime is 1315159. The reversal of 1315152 is 2515131.
It can be written as a sum of positive squares in only one way, i.e., 1245456 + 69696 = 1116^2 + 264^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
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 5 ways as a sum of consecutive naturals, for example, 4423 + ... + 4710.
21315152 is an apocalyptic number.
1315152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1315152 is an abundant number, since it is smaller than the sum of its proper divisors (2365850).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1315152 is a wasteful number, since it uses less digits than its factorization.
1315152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9147 (or 9138 counting only the distinct ones).
The product of its digits is 150, while the sum is 18.
The square root of 1315152 is about 1146.8007673524. The cubic root of 1315152 is about 109.5616716457.
It can be divided in two parts, 13151 and 52, that added together give a triangular number (13203 = T162).
The spelling of 1315152 in words is "one million, three hundred fifteen thousand, one hundred fifty-two".
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