1408122 has 12 divisors (see below), whose sum is σ = 3050970. Its totient is φ = 469368.

The previous prime is 1408111. The next prime is 1408123. The reversal of 1408122 is 2218041.

It can be written as a sum of positive squares in only one way, i.e., 1058841 + 349281 = 1029^2 + 591^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 78229 = 1408122 / (1 + 4 + 0 + 8 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1408095 and 1408104.

It is not an unprimeable number, because it can be changed into a prime (1408123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39097 + ... + 39132.

2^1408122 is an apocalyptic number.

1408122 is an abundant number, since it is smaller than the sum of its proper divisors (1642848).

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

1408122 is a wasteful number, since it uses less digits than its factorization.

1408122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78237 (or 78234 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1408122 is about 1186.6431645613. The cubic root of 1408122 is about 112.0848103373.

The spelling of 1408122 in words is "one million, four hundred eight thousand, one hundred twenty-two".