1120145 has 16 divisors (see below), whose sum is σ = 1525440. Its totient is φ = 782784.

The previous prime is 1120121. The next prime is 1120153. The reversal of 1120145 is 5410211.

It is a cyclic number.

It is not a de Polignac number, because 1120145 - 2⁶ = 1120081 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 782 + ... + 1688.

It is an arithmetic number, because the mean of its divisors is an integer number (95340).

2^1120145 is an apocalyptic number.

It is an amenable number.

1120145 is a deficient number, since it is larger than the sum of its proper divisors (405295).

1120145 is a wasteful number, since it uses less digits than its factorization.

1120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1120145 is about 1058.3690282694. The cubic root of 1120145 is about 103.8543634606.

Adding to 1120145 its reverse (5410211), we get a palindrome (6530356).

The spelling of 1120145 in words is "one million, one hundred twenty thousand, one hundred forty-five".