1151836 has 24 divisors (see below), whose sum is σ = 2379776. Its totient is φ = 477360.

The previous prime is 1151807. The next prime is 1151861. The reversal of 1151836 is 6381511.

It is a self number, because there is not a number n which added to its sum of digits gives 1151836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205 + ... + 1531.

2^1151836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1189888).

1151836 is an abundant number, since it is smaller than the sum of its proper divisors (1227940).

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

1151836 is a wasteful number, since it uses less digits than its factorization.

1151836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1367 counting only the distinct ones).

The product of its digits is 720, while the sum is 25.

The square root of 1151836 is about 1073.2362274914. The cubic root of 1151836 is about 104.8246809769.

The spelling of 1151836 in words is "one million, one hundred fifty-one thousand, eight hundred thirty-six".