2120125519 has 2 divisors, whose sum is σ = 2120125520. Its totient is φ = 2120125518.

The previous prime is 2120125517. The next prime is 2120125559. The reversal of 2120125519 is 9155210212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120125519 - 2¹ = 2120125517 is a prime.

It is a super-2 number, since 2×2120125519² = 8989864432630038722, which contains 22 as substring.

Together with 2120125517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120125517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060062759 + 1060062760.

It is an arithmetic number, because the mean of its divisors is an integer number (1060062760).

Almost surely, 2^2120125519 is an apocalyptic number.

2120125519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120125519 is an equidigital number, since it uses as much as digits as its factorization.

2120125519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 2120125519 is about 46044.8207619489. The cubic root of 2120125519 is about 1284.6570103066.

The spelling of 2120125519 in words is "two billion, one hundred twenty million, one hundred twenty-five thousand, five hundred nineteen".