103061009 has 4 divisors (see below), whose sum is σ = 104024304. Its totient is φ = 102097716.

The previous prime is 103060967. The next prime is 103061033. The reversal of 103061009 is 900160301.

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: 900160301 = 10589 ⋅85009.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103061009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103066009) 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, 481487 + ... + 481700.

It is an arithmetic number, because the mean of its divisors is an integer number (26006076).

Almost surely, 2^103061009 is an apocalyptic number.

It is an amenable number.

103061009 is a deficient number, since it is larger than the sum of its proper divisors (963295).

103061009 is an equidigital number, since it uses as much as digits as its factorization.

103061009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963294.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 103061009 is about 10151.8968178366. The cubic root of 103061009 is about 468.8473475094.

The spelling of 103061009 in words is "one hundred three million, sixty-one thousand, nine".