1156120341 has 16 divisors (see below), whose sum is σ = 1637798400. Its totient is φ = 723353328.

The previous prime is 1156120333. The next prime is 1156120349. The reversal of 1156120341 is 1430216511.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1156120333) and next prime (1156120349).

It is not a de Polignac number, because 1156120341 - 2³ = 1156120333 is a prime.

It is a super-2 number, since 2×1156120341² = 2673228485747912562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156120349) 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 15 ways as a sum of consecutive naturals, for example, 88681 + ... + 100878.

It is an arithmetic number, because the mean of its divisors is an integer number (102362400).

Almost surely, 2^1156120341 is an apocalyptic number.

It is an amenable number.

1156120341 is a deficient number, since it is larger than the sum of its proper divisors (481678059).

1156120341 is a wasteful number, since it uses less digits than its factorization.

1156120341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189688.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1156120341 is about 34001.7696745331. The cubic root of 1156120341 is about 1049.5448794013.

Adding to 1156120341 its reverse (1430216511), we get a palindrome (2586336852).

The spelling of 1156120341 in words is "one billion, one hundred fifty-six million, one hundred twenty thousand, three hundred forty-one".