103170649 has 4 divisors (see below), whose sum is σ = 103191040. Its totient is φ = 103150260.

The previous prime is 103170647. The next prime is 103170653. The reversal of 103170649 is 946071301.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 103170649 - 2¹ = 103170647 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103170649.

It is not an unprimeable number, because it can be changed into a prime (103170643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784 + ... + 14854.

It is an arithmetic number, because the mean of its divisors is an integer number (25797760).

Almost surely, 2^103170649 is an apocalyptic number.

It is an amenable number.

103170649 is a deficient number, since it is larger than the sum of its proper divisors (20391).

103170649 is an equidigital number, since it uses as much as digits as its factorization.

103170649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20390.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 103170649 is about 10157.2953585096. The cubic root of 103170649 is about 469.0135474649.

The spelling of 103170649 in words is "one hundred three million, one hundred seventy thousand, six hundred forty-nine".