1120623 has 32 divisors (see below), whose sum is σ = 1875456. Its totient is φ = 580608.

The previous prime is 1120607. The next prime is 1120627. The reversal of 1120623 is 3260211.

It is not a de Polignac number, because 1120623 - 2⁴ = 1120607 is a prime.

It is a super-3 number, since 3×1120623³ = 4221821333865733101, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15315 + ... + 15387.

It is an arithmetic number, because the mean of its divisors is an integer number (58608).

2^1120623 is an apocalyptic number.

1120623 is a deficient number, since it is larger than the sum of its proper divisors (754833).

1120623 is a wasteful number, since it uses less digits than its factorization.

1120623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1120623 is about 1058.5948233389. The cubic root of 1120623 is about 103.8691339668.

Adding to 1120623 its reverse (3260211), we get a palindrome (4380834).

The spelling of 1120623 in words is "one million, one hundred twenty thousand, six hundred twenty-three".