4722129 has 6 divisors (see below), whose sum is σ = 6820866. Its totient is φ = 3148080.

The previous prime is 4722121. The next prime is 4722163. The reversal of 4722129 is 9212274.

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 121104 = 2145^2 + 348^2 .

It is not a de Polignac number, because 4722129 - 2³ = 4722121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4722121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262332 + ... + 262349.

It is an arithmetic number, because the mean of its divisors is an integer number (1136811).

Almost surely, 2^4722129 is an apocalyptic number.

It is an amenable number.

4722129 is a deficient number, since it is larger than the sum of its proper divisors (2098737).

4722129 is a wasteful number, since it uses less digits than its factorization.

4722129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524687 (or 524684 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 4722129 is about 2173.0460188408. The cubic root of 4722129 is about 167.7693475907.

It can be divided in two parts, 4722 and 129, that added together give a triangular number (4851 = T₉₈).

The spelling of 4722129 in words is "four million, seven hundred twenty-two thousand, one hundred twenty-nine".