1270213641 has 12 divisors (see below), whose sum is σ = 1837571268. Its totient is φ = 845508384.

The previous prime is 1270213621. The next prime is 1270213649. The reversal of 1270213641 is 1463120721.

1270213641 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 2 + 13 + 641 = 666.

1270213641 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 836366400 + 433847241 = 28920^2 + 20829^2 .

It is not a de Polignac number, because 1270213641 - 2⁶ = 1270213577 is a prime.

It is a super-2 number, since 2×1270213641² = 3226885387564953762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1270213649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102190 + ... + 113943.

It is an arithmetic number, because the mean of its divisors is an integer number (153130939).

Almost surely, 2^1270213641 is an apocalyptic number.

It is an amenable number.

1270213641 is a deficient number, since it is larger than the sum of its proper divisors (567357627).

1270213641 is a wasteful number, since it uses less digits than its factorization.

1270213641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216792 (or 216789 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1270213641 is about 35640.0566918741. The cubic root of 1270213641 is about 1082.9928534965.

The spelling of 1270213641 in words is "one billion, two hundred seventy million, two hundred thirteen thousand, six hundred forty-one".