1270465885397 has 4 divisors (see below), whose sum is σ = 1297497074496. Its totient is φ = 1243434696300.

The previous prime is 1270465885387. The next prime is 1270465885501. The reversal of 1270465885397 is 7935885640721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1270465885397 - 2¹⁸ = 1270465623253 is a prime.

It is a super-3 number, since 3×1270465885397³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1270465885387) 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, 13515594479 + ... + 13515594572.

It is an arithmetic number, because the mean of its divisors is an integer number (324374268624).

It is a 1-persistent number, because it is pandigital, but 2⋅1270465885397 = 2540931770794 is not.

Almost surely, 2^{1270465885397} is an apocalyptic number.

It is an amenable number.

1270465885397 is a deficient number, since it is larger than the sum of its proper divisors (27031189099).

1270465885397 is an equidigital number, since it uses as much as digits as its factorization.

1270465885397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27031189098.

The product of its (nonzero) digits is 101606400, while the sum is 65.

The spelling of 1270465885397 in words is "one trillion, two hundred seventy billion, four hundred sixty-five million, eight hundred eighty-five thousand, three hundred ninety-seven".