1128622 has 24 divisors (see below), whose sum is σ = 1944072. Its totient is φ = 487200.

The previous prime is 1128601. The next prime is 1128623. The reversal of 1128622 is 2268211.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1128593 and 1128602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18472 + ... + 18532.

It is an arithmetic number, because the mean of its divisors is an integer number (81003).

2^1128622 is an apocalyptic number.

1128622 is a deficient number, since it is larger than the sum of its proper divisors (815450).

1128622 is a wasteful number, since it uses less digits than its factorization.

1128622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 103 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 1128622 is about 1062.3662268728. The cubic root of 1128622 is about 104.1156873392.

The spelling of 1128622 in words is "one million, one hundred twenty-eight thousand, six hundred twenty-two".