1252424142104 has 8 divisors (see below), whose sum is σ = 2348295266460. Its totient is φ = 626212071048.

The previous prime is 1252424142097. The next prime is 1252424142127. The reversal of 1252424142104 is 4012414242521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

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, 78276508874 + ... + 78276508889.

Almost surely, 2^{1252424142104} is an apocalyptic number.

It is an amenable number.

1252424142104 is a deficient number, since it is larger than the sum of its proper divisors (1095871124356).

1252424142104 is a wasteful number, since it uses less digits than its factorization.

1252424142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156553017769 (or 156553017765 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 32.

Adding to 1252424142104 its reverse (4012414242521), we get a palindrome (5264838384625).

The spelling of 1252424142104 in words is "one trillion, two hundred fifty-two billion, four hundred twenty-four million, one hundred forty-two thousand, one hundred four".