1190826 has 48 divisors (see below), whose sum is σ = 3179904. Its totient is φ = 313632.

The previous prime is 1190821. The next prime is 1190831. The reversal of 1190826 is 6280911.

It is an interprime number because it is at equal distance from previous prime (1190821) and next prime (1190831).

It is a self number, because there is not a number n which added to its sum of digits gives 1190826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275 + ... + 2001.

It is an arithmetic number, because the mean of its divisors is an integer number (66248).

2^1190826 is an apocalyptic number.

1190826 is the 546-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1190826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1589952).

1190826 is an abundant number, since it is smaller than the sum of its proper divisors (1989078).

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

1190826 is a wasteful number, since it uses less digits than its factorization.

1190826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1190826 is about 1091.2497422680. The cubic root of 1190826 is about 105.9943630561.

It can be divided in two parts, 1190 and 826, that added together give a triangular number (2016 = T₆₃).

The spelling of 1190826 in words is "one million, one hundred ninety thousand, eight hundred twenty-six".