4781129 has 2 divisors, whose sum is σ = 4781130. Its totient is φ = 4781128.

The previous prime is 4781111. The next prime is 4781137. The reversal of 4781129 is 9211874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4108729 + 672400 = 2027^2 + 820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4781129 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 4781095 and 4781104.

It is not a weakly prime, because it can be changed into another prime (4781429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2390564 + 2390565.

It is an arithmetic number, because the mean of its divisors is an integer number (2390565).

Almost surely, 2^4781129 is an apocalyptic number.

It is an amenable number.

4781129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4781129 is an equidigital number, since it uses as much as digits as its factorization.

4781129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 4781129 is about 2186.5792919535. The cubic root of 4781129 is about 168.4651813694.

The spelling of 4781129 in words is "four million, seven hundred eighty-one thousand, one hundred twenty-nine".