1272148525460 has 96 divisors (see below), whose sum is σ = 2796013043712. Its totient is φ = 485711838720.

The previous prime is 1272148525433. The next prime is 1272148525481. The reversal of 1272148525460 is 645258412721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17251829 + ... + 17325411.

It is an arithmetic number, because the mean of its divisors is an integer number (29125135872).

Almost surely, 2^{1272148525460} is an apocalyptic number.

1272148525460 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 1272148525460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398006521856).

1272148525460 is an abundant number, since it is smaller than the sum of its proper divisors (1523864518252).

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

1272148525460 is a wasteful number, since it uses less digits than its factorization.

1272148525460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74073 (or 74071 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 47.

The spelling of 1272148525460 in words is "one trillion, two hundred seventy-two billion, one hundred forty-eight million, five hundred twenty-five thousand, four hundred sixty".