103120004 has 12 divisors (see below), whose sum is σ = 194341644. Its totient is φ = 47593824.

The previous prime is 103120001. The next prime is 103120007. The reversal of 103120004 is 400021301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (103120001) and next prime (103120007).

It can be written as a sum of positive squares in 2 ways, for example, as 65934400 + 37185604 = 8120^2 + 6098^2 .

It is not an unprimeable number, because it can be changed into a prime (103120001) 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, 991487 + ... + 991590.

It is an arithmetic number, because the mean of its divisors is an integer number (16195137).

Almost surely, 2^103120004 is an apocalyptic number.

It is an amenable number.

103120004 is a deficient number, since it is larger than the sum of its proper divisors (91221640).

103120004 is a wasteful number, since it uses less digits than its factorization.

103120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983094 (or 1983092 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 103120004 is about 10154.8020167800. The cubic root of 103120004 is about 468.9367908837.

Adding to 103120004 its reverse (400021301), we get a palindrome (503141305).

The spelling of 103120004 in words is "one hundred three million, one hundred twenty thousand, four".