1245424450100 has 72 divisors (see below), whose sum is σ = 2773785674688. Its totient is φ = 485089171200.

The previous prime is 1245424450063. The next prime is 1245424450147. The reversal of 1245424450100 is 10544245421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1853897 + ... + 2434703.

Almost surely, 2^{1245424450100} is an apocalyptic number.

1245424450100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1245424450100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386892837344).

1245424450100 is an abundant number, since it is smaller than the sum of its proper divisors (1528361224588).

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

1245424450100 is a wasteful number, since it uses less digits than its factorization.

1245424450100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581385 (or 581378 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 1245424450100 its reverse (10544245421), we get a palindrome (1255968695521).

The spelling of 1245424450100 in words is "one trillion, two hundred forty-five billion, four hundred twenty-four million, four hundred fifty thousand, one hundred".