127013563 has 4 divisors (see below), whose sum is σ = 130446400. Its totient is φ = 123580728.

The previous prime is 127013561. The next prime is 127013573. The reversal of 127013563 is 365310721.

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 127013563 - 2¹ = 127013561 is a prime.

It is a super-2 number, since 2×127013563² = 32264890371909938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127013561) 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, 1716363 + ... + 1716436.

It is an arithmetic number, because the mean of its divisors is an integer number (32611600).

Almost surely, 2^127013563 is an apocalyptic number.

127013563 is a deficient number, since it is larger than the sum of its proper divisors (3432837).

127013563 is an equidigital number, since it uses as much as digits as its factorization.

127013563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3432836.

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 127013563 is about 11270.0294143361. The cubic root of 127013563 is about 502.6704625343.

The spelling of 127013563 in words is "one hundred twenty-seven million, thirteen thousand, five hundred sixty-three".