30125141 has 4 divisors (see below), whose sum is σ = 30939372. Its totient is φ = 29310912.

The previous prime is 30125111. The next prime is 30125191. The reversal of 30125141 is 14152103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14152103 = 7 ⋅2021729.

It can be written as a sum of positive squares in 2 ways, for example, as 15570916 + 14554225 = 3946^2 + 3815^2 .

It is a cyclic number.

It is not a de Polignac number, because 30125141 - 2¹⁰ = 30124117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30125111) 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, 407060 + ... + 407133.

It is an arithmetic number, because the mean of its divisors is an integer number (7734843).

Almost surely, 2^30125141 is an apocalyptic number.

It is an amenable number.

30125141 is a deficient number, since it is larger than the sum of its proper divisors (814231).

30125141 is an equidigital number, since it uses as much as digits as its factorization.

30125141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 814230.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 30125141 is about 5488.6374447580. The cubic root of 30125141 is about 311.1546981118.

Adding to 30125141 its reverse (14152103), we get a palindrome (44277244).

The spelling of 30125141 in words is "thirty million, one hundred twenty-five thousand, one hundred forty-one".