1138522 has 16 divisors (see below), whose sum is σ = 2129472. Its totient is φ = 443520.

The previous prime is 1138519. The next prime is 1138547. The reversal of 1138522 is 2258311.

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

It is a junction number, because it is equal to n+sod(n) for n = 1138493 and 1138502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3543 + ... + 3850.

It is an arithmetic number, because the mean of its divisors is an integer number (133092).

2^1138522 is an apocalyptic number.

1138522 is a deficient number, since it is larger than the sum of its proper divisors (990950).

1138522 is a wasteful number, since it uses less digits than its factorization.

1138522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7413.

The product of its digits is 480, while the sum is 22.

The square root of 1138522 is about 1067.0154638055. The cubic root of 1138522 is about 104.4192274349.

The spelling of 1138522 in words is "one million, one hundred thirty-eight thousand, five hundred twenty-two".