2125140019 has 2 divisors, whose sum is σ = 2125140020. Its totient is φ = 2125140018.

The previous prime is 2125140013. The next prime is 2125140041. The reversal of 2125140019 is 9100415212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2125140019 - 2¹⁷ = 2125008947 is a prime.

It is a super-2 number, since 2×2125140019² = 9032440200710640722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2125139975 and 2125140002.

It is not a weakly prime, because it can be changed into another prime (2125140013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062570009 + 1062570010.

It is an arithmetic number, because the mean of its divisors is an integer number (1062570010).

Almost surely, 2^2125140019 is an apocalyptic number.

2125140019 is a deficient number, since it is larger than the sum of its proper divisors (1).

2125140019 is an equidigital number, since it uses as much as digits as its factorization.

2125140019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 2125140019 is about 46099.2409807363. The cubic root of 2125140019 is about 1285.6690322209.

The spelling of 2125140019 in words is "two billion, one hundred twenty-five million, one hundred forty thousand, nineteen".