101404055 has 4 divisors (see below), whose sum is σ = 121684872. Its totient is φ = 81123240.

The previous prime is 101403989. The next prime is 101404063. The reversal of 101404055 is 550404101.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 101404055 - 2¹⁰ = 101403031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10140401 + ... + 10140410.

It is an arithmetic number, because the mean of its divisors is an integer number (30421218).

Almost surely, 2^101404055 is an apocalyptic number.

101404055 is a deficient number, since it is larger than the sum of its proper divisors (20280817).

101404055 is an equidigital number, since it uses as much as digits as its factorization.

101404055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20280816.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 101404055 is about 10069.9580436067. The cubic root of 101404055 is about 466.3211436120.

Adding to 101404055 its reverse (550404101), we get a palindrome (651808156).

The spelling of 101404055 in words is "one hundred one million, four hundred four thousand, fifty-five".