1270047122551 has 4 divisors (see below), whose sum is σ = 1270058517112. Its totient is φ = 1270035727992.

The previous prime is 1270047122537. The next prime is 1270047122557. The reversal of 1270047122551 is 1552217400721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1270047122551 - 2¹⁵ = 1270047089783 is a prime.

It is a super-2 number, since 2×1270047122551² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1270047122551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270047122557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5528421 + ... + 5753566.

It is an arithmetic number, because the mean of its divisors is an integer number (317514629278).

Almost surely, 2^{1270047122551} is an apocalyptic number.

1270047122551 is a deficient number, since it is larger than the sum of its proper divisors (11394561).

1270047122551 is a wasteful number, since it uses less digits than its factorization.

1270047122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394560.

The product of its (nonzero) digits is 39200, while the sum is 37.

The spelling of 1270047122551 in words is "one trillion, two hundred seventy billion, forty-seven million, one hundred twenty-two thousand, five hundred fifty-one".