1245021441240 has 64 divisors (see below), whose sum is σ = 3735192476160. Its totient is φ = 331994326400.

The previous prime is 1245021441229. The next prime is 1245021441259. The reversal of 1245021441240 is 421441205421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1245021441198 and 1245021441207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3681265 + ... + 4005215.

It is an arithmetic number, because the mean of its divisors is an integer number (58362382440).

Almost surely, 2^{1245021441240} is an apocalyptic number.

1245021441240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245021441240 is an abundant number, since it is smaller than the sum of its proper divisors (2490171034920).

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

1245021441240 is a wasteful number, since it uses less digits than its factorization.

1245021441240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355992 (or 355988 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 1245021441240 its reverse (421441205421), we get a palindrome (1666462646661).

The spelling of 1245021441240 in words is "one trillion, two hundred forty-five billion, twenty-one million, four hundred forty-one thousand, two hundred forty".