1151316 has 18 divisors (see below), whose sum is σ = 2910362. Its totient is φ = 383760.

The previous prime is 1151303. The next prime is 1151317. The reversal of 1151316 is 6131511.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 435600 = 846^2 + 660^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 (1151317) 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, 15955 + ... + 16026.

2^1151316 is an apocalyptic number.

It is an amenable number.

1151316 is an abundant number, since it is smaller than the sum of its proper divisors (1759046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151316 is a wasteful number, since it uses less digits than its factorization.

1151316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31991 (or 31986 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 1151316 is about 1072.9939422010. The cubic root of 1151316 is about 104.8089041247.

Adding to 1151316 its reverse (6131511), we get a palindrome (7282827).

It can be divided in two parts, 115 and 1316, that added together give a triangular number (1431 = T₅₃).

The spelling of 1151316 in words is "one million, one hundred fifty-one thousand, three hundred sixteen".