6390122 has 8 divisors (see below), whose sum is σ = 9844356. Its totient is φ = 3108672.

The previous prime is 6390119. The next prime is 6390127. The reversal of 6390122 is 2210936.

It can be written as a sum of positive squares in 2 ways, for example, as 4879681 + 1510441 = 2209^2 + 1229^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6390127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43103 + ... + 43250.

Almost surely, 2^6390122 is an apocalyptic number.

6390122 is a deficient number, since it is larger than the sum of its proper divisors (3454234).

6390122 is a wasteful number, since it uses less digits than its factorization.

6390122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86392.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 6390122 is about 2527.8690630648. The cubic root of 6390122 is about 185.5679841291.

The spelling of 6390122 in words is "six million, three hundred ninety thousand, one hundred twenty-two".