1024121253004 has 6 divisors (see below), whose sum is σ = 1792212192764. Its totient is φ = 512060626500.

The previous prime is 1024121252993. The next prime is 1024121253011. The reversal of 1024121253004 is 4003521214201.

It is a self number, because there is not a number n which added to its sum of digits gives 1024121253004.

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 as a sum of consecutive naturals, namely, 128015156622 + ... + 128015156629.

Almost surely, 2^{1024121253004} is an apocalyptic number.

It is an amenable number.

1024121253004 is a deficient number, since it is larger than the sum of its proper divisors (768090939760).

1024121253004 is a wasteful number, since it uses less digits than its factorization.

1024121253004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256030313255 (or 256030313253 counting only the distinct ones).

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

Adding to 1024121253004 its reverse (4003521214201), we get a palindrome (5027642467205).

The spelling of 1024121253004 in words is "one trillion, twenty-four billion, one hundred twenty-one million, two hundred fifty-three thousand, four".