1389122 has 8 divisors (see below), whose sum is σ = 2381376. Its totient is φ = 595332.

The previous prime is 1389107. The next prime is 1389133. The reversal of 1389122 is 2219831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1389091 and 1389100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49598 + ... + 49625.

It is an arithmetic number, because the mean of its divisors is an integer number (297672).

2^1389122 is an apocalyptic number.

1389122 is a deficient number, since it is larger than the sum of its proper divisors (992254).

1389122 is an equidigital number, since it uses as much as digits as its factorization.

1389122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99232.

The product of its digits is 864, while the sum is 26.

The square root of 1389122 is about 1178.6101984965. The cubic root of 1389122 is about 111.5784000882.

The spelling of 1389122 in words is "one million, three hundred eighty-nine thousand, one hundred twenty-two".