2542120306 has 8 divisors (see below), whose sum is σ = 4159833264. Its totient is φ = 1155509220.

The previous prime is 2542120291. The next prime is 2542120331. The reversal of 2542120306 is 6030212452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57775440 + ... + 57775483.

It is an arithmetic number, because the mean of its divisors is an integer number (519979158).

Almost surely, 2^2542120306 is an apocalyptic number.

2542120306 is a deficient number, since it is larger than the sum of its proper divisors (1617712958).

2542120306 is a wasteful number, since it uses less digits than its factorization.

2542120306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115550936.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2542120306 is about 50419.4437295772. The cubic root of 2542120306 is about 1364.7885383135.

Adding to 2542120306 its reverse (6030212452), we get a palindrome (8572332758).

The spelling of 2542120306 in words is "two billion, five hundred forty-two million, one hundred twenty thousand, three hundred six".