101004455 has 4 divisors (see below), whose sum is σ = 121205352. Its totient is φ = 80803560.

The previous prime is 101004383. The next prime is 101004473. The reversal of 101004455 is 554400101.

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

It is not a de Polignac number, because 101004455 - 2⁸ = 101004199 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, 10100441 + ... + 10100450.

It is an arithmetic number, because the mean of its divisors is an integer number (30301338).

Almost surely, 2^101004455 is an apocalyptic number.

101004455 is a deficient number, since it is larger than the sum of its proper divisors (20200897).

101004455 is an equidigital number, since it uses as much as digits as its factorization.

101004455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20200896.

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

The square root of 101004455 is about 10050.0972632109. The cubic root of 101004455 is about 465.7077978670.

Adding to 101004455 its reverse (554400101), we get a palindrome (655404556).

The spelling of 101004455 in words is "one hundred one million, four thousand, four hundred fifty-five".