4147122 has 32 divisors (see below), whose sum is σ = 9539712. Its totient is φ = 1177344.

The previous prime is 4147103. The next prime is 4147147. The reversal of 4147122 is 2217414.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12138 + ... + 12474.

It is an arithmetic number, because the mean of its divisors is an integer number (298116).

Almost surely, 2^4147122 is an apocalyptic number.

4147122 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4147122 is an abundant number, since it is smaller than the sum of its proper divisors (5392590).

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

4147122 is a wasteful number, since it uses less digits than its factorization.

4147122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 448, while the sum is 21.

The square root of 4147122 is about 2036.4483789186. The cubic root of 4147122 is about 160.6629007648.

The spelling of 4147122 in words is "four million, one hundred forty-seven thousand, one hundred twenty-two".