127013969 has 4 divisors (see below), whose sum is σ = 127136100. Its totient is φ = 126891840.

The previous prime is 127013927. The next prime is 127014047. The reversal of 127013969 is 969310721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 969310721 = 1747 ⋅554843.

It can be written as a sum of positive squares in 2 ways, for example, as 82591744 + 44422225 = 9088^2 + 6665^2 .

It is a cyclic number.

It is not a de Polignac number, because 127013969 - 2⁸ = 127013713 is a prime.

It is a super-2 number, since 2×127013969² = 32265096642265922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127013269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59492 + ... + 61589.

It is an arithmetic number, because the mean of its divisors is an integer number (31784025).

Almost surely, 2^127013969 is an apocalyptic number.

It is an amenable number.

127013969 is a deficient number, since it is larger than the sum of its proper divisors (122131).

127013969 is a wasteful number, since it uses less digits than its factorization.

127013969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122130.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 127013969 is about 11270.0474266970. The cubic root of 127013969 is about 502.6709981306.

The spelling of 127013969 in words is "one hundred twenty-seven million, thirteen thousand, nine hundred sixty-nine".