1135830 has 16 divisors (see below), whose sum is σ = 2726064. Its totient is φ = 302880.

The previous prime is 1135819. The next prime is 1135831. The reversal of 1135830 is 385311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1135797 and 1135806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18901 + ... + 18960.

It is an arithmetic number, because the mean of its divisors is an integer number (170379).

2^1135830 is an apocalyptic number.

1135830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1135830 is an abundant number, since it is smaller than the sum of its proper divisors (1590234).

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

1135830 is a wasteful number, since it uses less digits than its factorization.

1135830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37871.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1135830 is about 1065.7532547452. The cubic root of 1135830 is about 104.3368638091.

The spelling of 1135830 in words is "one million, one hundred thirty-five thousand, eight hundred thirty".