1156112254 has 8 divisors (see below), whose sum is σ = 1891820088. Its totient is φ = 525505560.

The previous prime is 1156112213. The next prime is 1156112261. The reversal of 1156112254 is 4522116511.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26275257 + ... + 26275300.

It is an arithmetic number, because the mean of its divisors is an integer number (236477511).

Almost surely, 2^1156112254 is an apocalyptic number.

1156112254 is a deficient number, since it is larger than the sum of its proper divisors (735707834).

1156112254 is a wasteful number, since it uses less digits than its factorization.

1156112254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52550570.

The product of its digits is 2400, while the sum is 28.

The square root of 1156112254 is about 34001.6507540443. The cubic root of 1156112254 is about 1049.5424322255.

Adding to 1156112254 its reverse (4522116511), we get a palindrome (5678228765).

The spelling of 1156112254 in words is "one billion, one hundred fifty-six million, one hundred twelve thousand, two hundred fifty-four".