1015042342120 has 16 divisors (see below), whose sum is σ = 2283845269860. Its totient is φ = 406016936832.

The previous prime is 1015042342099. The next prime is 1015042342133. The reversal of 1015042342120 is 212432405101.

It can be written as a sum of positive squares in 2 ways, for example, as 964155103396 + 50887238724 = 981914^2 + 225582^2 .

It is an unprimeable number.

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, 12688029237 + ... + 12688029316.

Almost surely, 2^{1015042342120} is an apocalyptic number.

1015042342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015042342120 is an abundant number, since it is smaller than the sum of its proper divisors (1268802927740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1015042342120 is a wasteful number, since it uses less digits than its factorization.

1015042342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25376058564 (or 25376058560 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 1015042342120 its reverse (212432405101), we get a palindrome (1227474747221).

The spelling of 1015042342120 in words is "one trillion, fifteen billion, forty-two million, three hundred forty-two thousand, one hundred twenty".