1123657167 has 8 divisors (see below), whose sum is σ = 1502997424. Its totient is φ = 746710848.

The previous prime is 1123657163. The next prime is 1123657189. The reversal of 1123657167 is 7617563211.

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

It is not a de Polignac number, because 1123657167 - 2² = 1123657163 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 (1123657163) 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, 597388 + ... + 599265.

It is an arithmetic number, because the mean of its divisors is an integer number (187874678).

Almost surely, 2^1123657167 is an apocalyptic number.

1123657167 is a deficient number, since it is larger than the sum of its proper divisors (379340257).

1123657167 is a wasteful number, since it uses less digits than its factorization.

1123657167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196969.

The product of its digits is 52920, while the sum is 39.

The square root of 1123657167 is about 33520.9959130095. The cubic root of 1123657167 is about 1039.6279385943.

The spelling of 1123657167 in words is "one billion, one hundred twenty-three million, six hundred fifty-seven thousand, one hundred sixty-seven".