1245451171120 has 40 divisors (see below), whose sum is σ = 3118418127216. Its totient is φ = 459858893568.

The previous prime is 1245451171117. The next prime is 1245451171127. The reversal of 1245451171120 is 211711545421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1245451171120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1245451171127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 598773562 + ... + 598775641.

Almost surely, 2^{1245451171120} is an apocalyptic number.

1245451171120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245451171120 is an abundant number, since it is smaller than the sum of its proper divisors (1872966956096).

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

1245451171120 is a wasteful number, since it uses less digits than its factorization.

1245451171120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197549229 (or 1197549223 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 1245451171120 in words is "one trillion, two hundred forty-five billion, four hundred fifty-one million, one hundred seventy-one thousand, one hundred twenty".