103120361 has 4 divisors (see below), whose sum is σ = 103223172. Its totient is φ = 103017552.

The previous prime is 103120357. The next prime is 103120363. The reversal of 103120361 is 163021301.

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 51912025 + 51208336 = 7205^2 + 7156^2 .

It is a cyclic number.

It is not a de Polignac number, because 103120361 - 2² = 103120357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103120363) 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, 49886 + ... + 51911.

It is an arithmetic number, because the mean of its divisors is an integer number (25805793).

Almost surely, 2^103120361 is an apocalyptic number.

It is an amenable number.

103120361 is a deficient number, since it is larger than the sum of its proper divisors (102811).

103120361 is a wasteful number, since it uses less digits than its factorization.

103120361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102810.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 103120361 is about 10154.8195946555. The cubic root of 103120361 is about 468.9373320340.

Adding to 103120361 its reverse (163021301), we get a palindrome (266141662).

The spelling of 103120361 in words is "one hundred three million, one hundred twenty thousand, three hundred sixty-one".