1139022 has 40 divisors (see below), whose sum is σ = 2613600. Its totient is φ = 370656.

The previous prime is 1139011. The next prime is 1139041. The reversal of 1139022 is 2209311.

It is a happy number.

It is a super-2 number, since 2×1139022² = 2594742232968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1138986 and 1139004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12754 + ... + 12842.

It is an arithmetic number, because the mean of its divisors is an integer number (65340).

2^1139022 is an apocalyptic number.

1139022 is the 534-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1139022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306800).

1139022 is an abundant number, since it is smaller than the sum of its proper divisors (1474578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1139022 is an equidigital number, since it uses as much as digits as its factorization.

1139022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1139022 is about 1067.2497364722. The cubic root of 1139022 is about 104.4345109846.

The spelling of 1139022 in words is "one million, one hundred thirty-nine thousand, twenty-two".