1156132043 has 4 divisors (see below), whose sum is σ = 1261234968. Its totient is φ = 1051029120.

The previous prime is 1156132031. The next prime is 1156132051. The reversal of 1156132043 is 3402316511.

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

It is a cyclic number.

It is not a de Polignac number, because 1156132043 - 2¹⁶ = 1156066507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156132093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52551446 + ... + 52551467.

It is an arithmetic number, because the mean of its divisors is an integer number (315308742).

Almost surely, 2^1156132043 is an apocalyptic number.

1156132043 is a deficient number, since it is larger than the sum of its proper divisors (105102925).

1156132043 is a wasteful number, since it uses less digits than its factorization.

1156132043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105102924.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1156132043 is about 34001.9417533764. The cubic root of 1156132043 is about 1049.5484204781.

Adding to 1156132043 its reverse (3402316511), we get a palindrome (4558448554).

The spelling of 1156132043 in words is "one billion, one hundred fifty-six million, one hundred thirty-two thousand, forty-three".