1129356 has 24 divisors (see below), whose sum is σ = 2928240. Its totient is φ = 376416.

The previous prime is 1129343. The next prime is 1129367. The reversal of 1129356 is 6539211.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5121 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (122010).

2^1129356 is an apocalyptic number.

It is an amenable number.

1129356 is an abundant number, since it is smaller than the sum of its proper divisors (1798884).

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

1129356 is a wasteful number, since it uses less digits than its factorization.

1129356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10470 (or 10462 counting only the distinct ones).

The product of its digits is 1620, while the sum is 27.

The square root of 1129356 is about 1062.7116259833. The cubic root of 1129356 is about 104.1382530147.

It can be divided in two parts, 1129 and 356, that added together give a triangular number (1485 = T₅₄).

The spelling of 1129356 in words is "one million, one hundred twenty-nine thousand, three hundred fifty-six".