1120651 has 4 divisors (see below), whose sum is σ = 1280752. Its totient is φ = 960552.

The previous prime is 1120649. The next prime is 1120661. The reversal of 1120651 is 1560211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1120651 - 2¹ = 1120649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80040 + ... + 80053.

It is an arithmetic number, because the mean of its divisors is an integer number (320188).

2^1120651 is an apocalyptic number.

1120651 is a deficient number, since it is larger than the sum of its proper divisors (160101).

1120651 is an equidigital number, since it uses as much as digits as its factorization.

1120651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160100.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1120651 is about 1058.6080483352. The cubic root of 1120651 is about 103.8699990545.

Adding to 1120651 its reverse (1560211), we get a palindrome (2680862).

It can be divided in two parts, 1120 and 651, that added together give a palindrome (1771).

The spelling of 1120651 in words is "one million, one hundred twenty thousand, six hundred fifty-one".