100201129 has 6 divisors (see below), whose sum is σ = 116560554. Its totient is φ = 85886640.

The previous prime is 100201109. The next prime is 100201139. The reversal of 100201129 is 921102001.

It can be written as a sum of positive squares in only one way, i.e., 94536729 + 5664400 = 9723^2 + 2380^2 .

It is not a de Polignac number, because 100201129 - 2²¹ = 98103977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100201109) 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, 1022412 + ... + 1022509.

It is an arithmetic number, because the mean of its divisors is an integer number (19426759).

Almost surely, 2^100201129 is an apocalyptic number.

It is an amenable number.

100201129 is a deficient number, since it is larger than the sum of its proper divisors (16359425).

100201129 is an equidigital number, since it uses as much as digits as its factorization.

100201129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044935 (or 2044928 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 100201129 is about 10010.0513984694. The cubic root of 100201129 is about 464.4698610058.

The spelling of 100201129 in words is "one hundred million, two hundred one thousand, one hundred twenty-nine".