1156052026 has 4 divisors (see below), whose sum is σ = 1734078042. Its totient is φ = 578026012.

The previous prime is 1156052011. The next prime is 1156052057. The reversal of 1156052026 is 6202506511.

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

It can be written as a sum of positive squares in only one way, i.e., 1076824225 + 79227801 = 32815^2 + 8901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1156051985 and 1156052003.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 289013005 + ... + 289013008.

Almost surely, 2^1156052026 is an apocalyptic number.

1156052026 is a deficient number, since it is larger than the sum of its proper divisors (578026016).

1156052026 is an equidigital number, since it uses as much as digits as its factorization.

1156052026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578026015.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1156052026 is about 34000.7650796273. The cubic root of 1156052026 is about 1049.5242065041.

Adding to 1156052026 its reverse (6202506511), we get a palindrome (7358558537).

The spelling of 1156052026 in words is "one billion, one hundred fifty-six million, fifty-two thousand, twenty-six".