4207122 has 24 divisors (see below), whose sum is σ = 9363276. Its totient is φ = 1364256.

The previous prime is 4207097. The next prime is 4207139. The reversal of 4207122 is 2217024.

It can be written as a sum of positive squares in 2 ways, for example, as 3956121 + 251001 = 1989^2 + 501^2 .

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 = 4207095 and 4207104.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2493 + ... + 3824.

Almost surely, 2^4207122 is an apocalyptic number.

4207122 is an abundant number, since it is smaller than the sum of its proper divisors (5156154).

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

4207122 is a wasteful number, since it uses less digits than its factorization.

4207122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6362 (or 6359 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 4207122 is about 2051.1270072816. The cubic root of 4207122 is about 161.4340102363.

The spelling of 4207122 in words is "four million, two hundred seven thousand, one hundred twenty-two".