1123955 has 16 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 724992.

The previous prime is 1123951. The next prime is 1123961. The reversal of 1123955 is 5593211.

It is a cyclic number.

It is not a de Polignac number, because 1123955 - 2² = 1123951 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 350 + ... + 1539.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^1123955 is an apocalyptic number.

1123955 is a deficient number, since it is larger than the sum of its proper divisors (509005).

1123955 is a wasteful number, since it uses less digits than its factorization.

1123955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918.

The product of its digits is 1350, while the sum is 26.

The square root of 1123955 is about 1060.1674396057. The cubic root of 1123955 is about 103.9719783973.

The spelling of 1123955 in words is "one million, one hundred twenty-three thousand, nine hundred fifty-five".