101129801 has 2 divisors, whose sum is σ = 101129802. Its totient is φ = 101129800.

The previous prime is 101129783. The next prime is 101129813. The reversal of 101129801 is 108921101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99102025 + 2027776 = 9955^2 + 1424^2 .

It is a cyclic number.

It is not a de Polignac number, because 101129801 - 2²² = 96935497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101129881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50564900 + 50564901.

It is an arithmetic number, because the mean of its divisors is an integer number (50564901).

Almost surely, 2^101129801 is an apocalyptic number.

It is an amenable number.

101129801 is a deficient number, since it is larger than the sum of its proper divisors (1).

101129801 is an equidigital number, since it uses as much as digits as its factorization.

101129801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The square root of 101129801 is about 10056.3313887322. The cubic root of 101129801 is about 465.9003652104.

The spelling of 101129801 in words is "one hundred one million, one hundred twenty-nine thousand, eight hundred one".