101203873 has 4 divisors (see below), whose sum is σ = 107157060. Its totient is φ = 95250688.

The previous prime is 101203859. The next prime is 101203877. The reversal of 101203873 is 378302101.

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 52301824 + 48902049 = 7232^2 + 6993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101203873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101203877) 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, 2976568 + ... + 2976601.

It is an arithmetic number, because the mean of its divisors is an integer number (26789265).

Almost surely, 2^101203873 is an apocalyptic number.

It is an amenable number.

101203873 is a deficient number, since it is larger than the sum of its proper divisors (5953187).

101203873 is an equidigital number, since it uses as much as digits as its factorization.

101203873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953186.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 101203873 is about 10060.0135685793. The cubic root of 101203873 is about 466.0140862216.

Adding to 101203873 its reverse (378302101), we get a palindrome (479505974).

The spelling of 101203873 in words is "one hundred one million, two hundred three thousand, eight hundred seventy-three".