103001009 has 4 divisors (see below), whose sum is σ = 103074816. Its totient is φ = 102927204.

The previous prime is 103000999. The next prime is 103001077. The reversal of 103001009 is 900100301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 900100301 = 229 ⋅3930569.

It is a cyclic number.

It is not a de Polignac number, because 103001009 - 2⁴ = 103000993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103000984 and 103001002.

It is not an unprimeable number, because it can be changed into a prime (103001609) 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, 34769 + ... + 37614.

It is an arithmetic number, because the mean of its divisors is an integer number (25768704).

Almost surely, 2^103001009 is an apocalyptic number.

It is an amenable number.

103001009 is a deficient number, since it is larger than the sum of its proper divisors (73807).

103001009 is an equidigital number, since it uses as much as digits as its factorization.

103001009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73806.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 103001009 is about 10148.9412748326. The cubic root of 103001009 is about 468.7563454193.

The spelling of 103001009 in words is "one hundred three million, one thousand, nine".