4156122 has 32 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 1330560.

The previous prime is 4156093. The next prime is 4156151. The reversal of 4156122 is 2216514.

It is an interprime number because it is at equal distance from previous prime (4156093) and next prime (4156151).

It is an Ulam number.

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, 22872 + ... + 23052.

It is an arithmetic number, because the mean of its divisors is an integer number (270270).

Almost surely, 2^4156122 is an apocalyptic number.

4156122 is an abundant number, since it is smaller than the sum of its proper divisors (4492518).

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

4156122 is a wasteful number, since it uses less digits than its factorization.

4156122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318.

The product of its digits is 480, while the sum is 21.

The square root of 4156122 is about 2038.6569108116. The cubic root of 4156122 is about 160.7790392470.

It can be divided in two parts, 4156 and 122, that added together give a triangular number (4278 = T₉₂).

The spelling of 4156122 in words is "four million, one hundred fifty-six thousand, one hundred twenty-two".