2599121042 has 16 divisors (see below), whose sum is σ = 4462413120. Its totient is φ = 1112214768.

The previous prime is 2599120949. The next prime is 2599121047. The reversal of 2599121042 is 2401219952.

2599121042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2599120993 and 2599121011.

It is not an unprimeable number, because it can be changed into a prime (2599121047) 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, 131633 + ... + 150084.

It is an arithmetic number, because the mean of its divisors is an integer number (278900820).

Almost surely, 2^2599121042 is an apocalyptic number.

2599121042 is a deficient number, since it is larger than the sum of its proper divisors (1863292078).

2599121042 is a wasteful number, since it uses less digits than its factorization.

2599121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282385.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 2599121042 is about 50981.5755150819. The cubic root of 2599121042 is about 1374.9138973301.

The spelling of 2599121042 in words is "two billion, five hundred ninety-nine million, one hundred twenty-one thousand, forty-two".