1123958 has 16 divisors (see below), whose sum is σ = 1880064. Its totient is φ = 499560.

The previous prime is 1123951. The next prime is 1123961. The reversal of 1123958 is 8593211.

It is a super-3 number, since 3×1123958³ = 4259626333716401736, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123951) 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, 491 + ... + 1577.

It is an arithmetic number, because the mean of its divisors is an integer number (117504).

2^1123958 is an apocalyptic number.

1123958 is a deficient number, since it is larger than the sum of its proper divisors (756106).

1123958 is a wasteful number, since it uses less digits than its factorization.

1123958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147.

The product of its digits is 2160, while the sum is 29.

The square root of 1123958 is about 1060.1688544756. The cubic root of 1123958 is about 103.9720709027.

The spelling of 1123958 in words is "one million, one hundred twenty-three thousand, nine hundred fifty-eight".