103120130 has 16 divisors (see below), whose sum is σ = 196535160. Its totient is φ = 38821632.

The previous prime is 103120123. The next prime is 103120133. The reversal of 103120130 is 31021301.

It can be written as a sum of positive squares in 4 ways, for example, as 102556129 + 564001 = 10127^2 + 751^2 .

It is a super-2 number, since 2×103120130² = 21267522422433800, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103120133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303125 + ... + 303464.

Almost surely, 2^103120130 is an apocalyptic number.

103120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103120130 is a deficient number, since it is larger than the sum of its proper divisors (93415030).

103120130 is a wasteful number, since it uses less digits than its factorization.

103120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606613.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103120130 is about 10154.8082207396. The cubic root of 103120130 is about 468.9369818781.

Adding to 103120130 its reverse (31021301), we get a palindrome (134141431).

The spelling of 103120130 in words is "one hundred three million, one hundred twenty thousand, one hundred thirty".