1156126 has 4 divisors (see below), whose sum is σ = 1734192. Its totient is φ = 578062.

The previous prime is 1156121. The next prime is 1156151. The reversal of 1156126 is 6216511.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1156097 and 1156106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289030 + ... + 289033.

It is an arithmetic number, because the mean of its divisors is an integer number (433548).

2^1156126 is an apocalyptic number.

1156126 is a deficient number, since it is larger than the sum of its proper divisors (578066).

1156126 is an equidigital number, since it uses as much as digits as its factorization.

1156126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578065.

The product of its digits is 360, while the sum is 22.

The square root of 1156126 is about 1075.2329980055. The cubic root of 1156126 is about 104.9546591843.

It can be divided in two parts, 115 and 6126, that added together give a square (6241 = 79²).

The spelling of 1156126 in words is "one million, one hundred fifty-six thousand, one hundred twenty-six".