101828401 has 4 divisors (see below), whose sum is σ = 102571812. Its totient is φ = 101084992.

The previous prime is 101828399. The next prime is 101828411. The reversal of 101828401 is 104828101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52548001 + 49280400 = 7249^2 + 7020^2 .

It is a cyclic number.

It is not a de Polignac number, because 101828401 - 2¹ = 101828399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101828411) 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, 371500 + ... + 371773.

It is an arithmetic number, because the mean of its divisors is an integer number (25642953).

Almost surely, 2^101828401 is an apocalyptic number.

It is an amenable number.

101828401 is a deficient number, since it is larger than the sum of its proper divisors (743411).

101828401 is an equidigital number, since it uses as much as digits as its factorization.

101828401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743410.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 101828401 is about 10091.0059458906. The cubic root of 101828401 is about 466.9707104258.

The spelling of 101828401 in words is "one hundred one million, eight hundred twenty-eight thousand, four hundred one".