1123486957 has 4 divisors (see below), whose sum is σ = 1172334240. Its totient is φ = 1074639676.

The previous prime is 1123486927. The next prime is 1123486997. The reversal of 1123486957 is 7596843211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1123486957 - 2⁷ = 1123486829 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 (1123486927) 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 3 ways as a sum of consecutive naturals, for example, 24423607 + ... + 24423652.

It is an arithmetic number, because the mean of its divisors is an integer number (293083560).

Almost surely, 2^1123486957 is an apocalyptic number.

It is an amenable number.

1123486957 is a deficient number, since it is larger than the sum of its proper divisors (48847283).

1123486957 is an equidigital number, since it uses as much as digits as its factorization.

1123486957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48847282.

The product of its digits is 362880, while the sum is 46.

The square root of 1123486957 is about 33518.4569603077. The cubic root of 1123486957 is about 1039.5754421531.

The spelling of 1123486957 in words is "one billion, one hundred twenty-three million, four hundred eighty-six thousand, nine hundred fifty-seven".