1302100129 has 4 divisors (see below), whose sum is σ = 1420472880. Its totient is φ = 1183727380.

The previous prime is 1302100117. The next prime is 1302100187. The reversal of 1302100129 is 9210012031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1302100129 - 2¹⁷ = 1301969057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302100109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59186359 + ... + 59186380.

It is an arithmetic number, because the mean of its divisors is an integer number (355118220).

Almost surely, 2^1302100129 is an apocalyptic number.

It is an amenable number.

1302100129 is a deficient number, since it is larger than the sum of its proper divisors (118372751).

1302100129 is a wasteful number, since it uses less digits than its factorization.

1302100129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118372750.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 1302100129 is about 36084.6245511852. The cubic root of 1302100129 is about 1091.9802760574.

The spelling of 1302100129 in words is "one billion, three hundred two million, one hundred thousand, one hundred twenty-nine".