103021801 has 4 divisors (see below), whose sum is σ = 105806212. Its totient is φ = 100237392.

The previous prime is 103021769. The next prime is 103021817. The reversal of 103021801 is 108120301.

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 91298025 + 11723776 = 9555^2 + 3424^2 .

It is a cyclic number.

It is not a de Polignac number, because 103021801 - 2⁵ = 103021769 is a prime.

It is a super-2 number, since 2×103021801² = 21226982962567202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103021001) 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, 1392150 + ... + 1392223.

It is an arithmetic number, because the mean of its divisors is an integer number (26451553).

Almost surely, 2^103021801 is an apocalyptic number.

It is an amenable number.

103021801 is a deficient number, since it is larger than the sum of its proper divisors (2784411).

103021801 is an equidigital number, since it uses as much as digits as its factorization.

103021801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784410.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 103021801 is about 10149.9655664441. The cubic root of 103021801 is about 468.7878846773.

The spelling of 103021801 in words is "one hundred three million, twenty-one thousand, eight hundred one".