2520034126987 has 4 divisors (see below), whose sum is σ = 2713882906000. Its totient is φ = 2326185347976.

The previous prime is 2520034126969. The next prime is 2520034127011. The reversal of 2520034126987 is 7896214300252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520034126987 - 2⁷ = 2520034126859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520034126987.

It is not an unprimeable number, because it can be changed into a prime (2520034126487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96924389487 + ... + 96924389512.

It is an arithmetic number, because the mean of its divisors is an integer number (678470726500).

It is a 1-persistent number, because it is pandigital, but 2⋅2520034126987 = 5040068253974 is not.

Almost surely, 2^{2520034126987} is an apocalyptic number.

2520034126987 is a deficient number, since it is larger than the sum of its proper divisors (193848779013).

2520034126987 is a wasteful number, since it uses less digits than its factorization.

2520034126987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193848779012.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 2520034126987 in words is "two trillion, five hundred twenty billion, thirty-four million, one hundred twenty-six thousand, nine hundred eighty-seven".