4122961 has 4 divisors (see below), whose sum is σ = 4131124. Its totient is φ = 4114800.

The previous prime is 4122953. The next prime is 4122971. The reversal of 4122961 is 1692214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2742336 + 1380625 = 1656^2 + 1175^2 .

It is a cyclic number.

It is not a de Polignac number, because 4122961 - 2³ = 4122953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4122941) 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 3 ways as a sum of consecutive naturals, for example, 3270 + ... + 4351.

It is an arithmetic number, because the mean of its divisors is an integer number (1032781).

Almost surely, 2^4122961 is an apocalyptic number.

It is an amenable number.

4122961 is a deficient number, since it is larger than the sum of its proper divisors (8163).

4122961 is an equidigital number, since it uses as much as digits as its factorization.

4122961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162.

The product of its digits is 864, while the sum is 25.

The square root of 4122961 is about 2030.5075720125. The cubic root of 4122961 is about 160.3502872456.

The spelling of 4122961 in words is "four million, one hundred twenty-two thousand, nine hundred sixty-one".