1156349 has 6 divisors (see below), whose sum is σ = 1178814. Its totient is φ = 1134200.

The previous prime is 1156343. The next prime is 1156367. The reversal of 1156349 is 9436511.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 11449 = 1070^2 + 107^2 .

It is not a de Polignac number, because 1156349 - 2⁴ = 1156333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156343) 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, 10754 + ... + 10860.

It is an arithmetic number, because the mean of its divisors is an integer number (196469).

2^1156349 is an apocalyptic number.

It is an amenable number.

1156349 is a deficient number, since it is larger than the sum of its proper divisors (22465).

1156349 is an equidigital number, since it uses as much as digits as its factorization.

1156349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 208 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 1156349 is about 1075.3366914599. The cubic root of 1156349 is about 104.9614068295.

The spelling of 1156349 in words is "one million, one hundred fifty-six thousand, three hundred forty-nine".