1042121520524 has 24 divisors (see below), whose sum is σ = 2084266023840. Its totient is φ = 446618583936.

The previous prime is 1042121520511. The next prime is 1042121520571. The reversal of 1042121520524 is 4250251212401.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 3650192 + ... + 3925320.

It is an arithmetic number, because the mean of its divisors is an integer number (86844417660).

Almost surely, 2^{1042121520524} is an apocalyptic number.

1042121520524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1042121520524 is an abundant number, since it is smaller than the sum of its proper divisors (1042144503316).

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

1042121520524 is a wasteful number, since it uses less digits than its factorization.

1042121520524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410417 (or 410415 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 1042121520524 its reverse (4250251212401), we get a palindrome (5292372732925).

The spelling of 1042121520524 in words is "one trillion, forty-two billion, one hundred twenty-one million, five hundred twenty thousand, five hundred twenty-four".