1156223413 has 8 divisors (see below), whose sum is σ = 1187948160. Its totient is φ = 1124903040.

The previous prime is 1156223407. The next prime is 1156223441. The reversal of 1156223413 is 3143226511.

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

It is a cyclic number.

It is not a de Polignac number, because 1156223413 - 2⁹ = 1156222901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156224413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95293 + ... + 106738.

It is an arithmetic number, because the mean of its divisors is an integer number (148493520).

Almost surely, 2^1156223413 is an apocalyptic number.

It is an amenable number.

1156223413 is a deficient number, since it is larger than the sum of its proper divisors (31724747).

1156223413 is an equidigital number, since it uses as much as digits as its factorization.

1156223413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202187.

The product of its digits is 4320, while the sum is 28.

The square root of 1156223413 is about 34003.2853265681. The cubic root of 1156223413 is about 1049.5760686213.

Adding to 1156223413 its reverse (3143226511), we get a palindrome (4299449924).

The spelling of 1156223413 in words is "one billion, one hundred fifty-six million, two hundred twenty-three thousand, four hundred thirteen".