1272148525461 has 8 divisors (see below), whose sum is σ = 1850397855264. Its totient is φ = 770999106320.

The previous prime is 1272148525433. The next prime is 1272148525481. The reversal of 1272148525461 is 1645258412721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1272148525461 - 2¹¹ = 1272148523413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1272148525461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272148525481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19274977626 + ... + 19274977691.

It is an arithmetic number, because the mean of its divisors is an integer number (231299731908).

Almost surely, 2^{1272148525461} is an apocalyptic number.

1272148525461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1272148525461 is a deficient number, since it is larger than the sum of its proper divisors (578249329803).

1272148525461 is a wasteful number, since it uses less digits than its factorization.

1272148525461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38549955331.

The product of its digits is 1075200, while the sum is 48.

The spelling of 1272148525461 in words is "one trillion, two hundred seventy-two billion, one hundred forty-eight million, five hundred twenty-five thousand, four hundred sixty-one".