874267129 has 2 divisors, whose sum is σ = 874267130. Its totient is φ = 874267128.

The previous prime is 874267127. The next prime is 874267153. The reversal of 874267129 is 921762478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 463110400 + 411156729 = 21520^2 + 20277^2 .

It is a cyclic number.

It is not a de Polignac number, because 874267129 - 2¹ = 874267127 is a prime.

Together with 874267127, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (874267127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 437133564 + 437133565.

It is an arithmetic number, because the mean of its divisors is an integer number (437133565).

Almost surely, 2^874267129 is an apocalyptic number.

It is an amenable number.

874267129 is a deficient number, since it is larger than the sum of its proper divisors (1).

874267129 is an equidigital number, since it uses as much as digits as its factorization.

874267129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 46.

The square root of 874267129 is about 29568.0085396362. The cubic root of 874267129 is about 956.1984821719.

The spelling of 874267129 in words is "eight hundred seventy-four million, two hundred sixty-seven thousand, one hundred twenty-nine".