101955801 has 4 divisors (see below), whose sum is σ = 135941072. Its totient is φ = 67970532.

The previous prime is 101955781. The next prime is 101955809. The reversal of 101955801 is 108559101.

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 101955801 - 2⁵ = 101955769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101955809) 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, 16992631 + ... + 16992636.

It is an arithmetic number, because the mean of its divisors is an integer number (33985268).

Almost surely, 2^101955801 is an apocalyptic number.

It is an amenable number.

101955801 is a deficient number, since it is larger than the sum of its proper divisors (33985271).

101955801 is an equidigital number, since it uses as much as digits as its factorization.

101955801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33985270.

The product of its (nonzero) digits is 1800, while the sum is 30.

The square root of 101955801 is about 10097.3165247010. The cubic root of 101955801 is about 467.1653754193.

The spelling of 101955801 in words is "one hundred one million, nine hundred fifty-five thousand, eight hundred one".