1270113605 has 8 divisors (see below), whose sum is σ = 1613791512. Its totient is φ = 956320768.

The previous prime is 1270113601. The next prime is 1270113721. The reversal of 1270113605 is 5063110721.

It can be written as a sum of positive squares in 4 ways, for example, as 544242241 + 725871364 = 23329^2 + 26942^2 .

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 1270113605 - 2² = 1270113601 is a prime.

It is a super-4 number, since 4×1270113605⁴ (a number of 38 digits) contains 4444 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 (1270113601) 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, 7471172 + ... + 7471341.

It is an arithmetic number, because the mean of its divisors is an integer number (201723939).

Almost surely, 2^1270113605 is an apocalyptic number.

It is an amenable number.

1270113605 is a deficient number, since it is larger than the sum of its proper divisors (343677907).

1270113605 is a wasteful number, since it uses less digits than its factorization.

1270113605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14942535.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 1270113605 is about 35638.6532433536. The cubic root of 1270113605 is about 1082.9644222905.

The spelling of 1270113605 in words is "one billion, two hundred seventy million, one hundred thirteen thousand, six hundred five".