1156242027 has 8 divisors (see below), whose sum is σ = 1541854864. Its totient is φ = 770728608.

The previous prime is 1156242019. The next prime is 1156242047. The reversal of 1156242027 is 7202426511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1156242027 - 2³ = 1156242019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156241985 and 1156242003.

It is not an unprimeable number, because it can be changed into a prime (1156242047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8793 + ... + 48885.

It is an arithmetic number, because the mean of its divisors is an integer number (192731858).

Almost surely, 2^1156242027 is an apocalyptic number.

1156242027 is a deficient number, since it is larger than the sum of its proper divisors (385612837).

1156242027 is an equidigital number, since it uses as much as digits as its factorization.

1156242027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49709.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1156242027 is about 34003.5590343129. The cubic root of 1156242027 is about 1049.5817009538.

Adding to 1156242027 its reverse (7202426511), we get a palindrome (8358668538).

The spelling of 1156242027 in words is "one billion, one hundred fifty-six million, two hundred forty-two thousand, twenty-seven".