1123799257 has 8 divisors (see below), whose sum is σ = 1284955776. Its totient is φ = 962796192.

The previous prime is 1123799239. The next prime is 1123799267. The reversal of 1123799257 is 7529973211.

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 1123799257 - 2¹¹ = 1123797209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1123799267) 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, 22213 + ... + 52354.

It is an arithmetic number, because the mean of its divisors is an integer number (160619472).

Almost surely, 2^1123799257 is an apocalyptic number.

It is an amenable number.

1123799257 is a deficient number, since it is larger than the sum of its proper divisors (161156519).

1123799257 is an equidigital number, since it uses as much as digits as its factorization.

1123799257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76727.

The product of its digits is 238140, while the sum is 46.

The square root of 1123799257 is about 33523.1152639488. The cubic root of 1123799257 is about 1039.6717581602.

The spelling of 1123799257 in words is "one billion, one hundred twenty-three million, seven hundred ninety-nine thousand, two hundred fifty-seven".