1302129 has 16 divisors (see below), whose sum is σ = 1996800. Its totient is φ = 837648.

The previous prime is 1302121. The next prime is 1302137. The reversal of 1302129 is 9212031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1302121) and next prime (1302137).

It is not a de Polignac number, because 1302129 - 2³ = 1302121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1302121) 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 15 ways as a sum of consecutive naturals, for example, 49 + ... + 1614.

It is an arithmetic number, because the mean of its divisors is an integer number (124800).

2^1302129 is an apocalyptic number.

It is an amenable number.

1302129 is a deficient number, since it is larger than the sum of its proper divisors (694671).

1302129 is a wasteful number, since it uses less digits than its factorization.

1302129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1302129 is about 1141.1086714244. The cubic root of 1302129 is about 109.1988346694.

It can be divided in two parts, 1302 and 129, that added together give a triangular number (1431 = T₅₃).

The spelling of 1302129 in words is "one million, three hundred two thousand, one hundred twenty-nine".