127612993 has 8 divisors (see below), whose sum is σ = 133446528. Its totient is φ = 121803264.

The previous prime is 127612973. The next prime is 127612997. The reversal of 127612993 is 399216721.

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 127612993 - 2⁹ = 127612481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127612997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5505 + ... + 16897.

It is an arithmetic number, because the mean of its divisors is an integer number (16680816).

Almost surely, 2^127612993 is an apocalyptic number.

It is an amenable number.

127612993 is a deficient number, since it is larger than the sum of its proper divisors (5833535).

127612993 is a wasteful number, since it uses less digits than its factorization.

127612993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11903.

The product of its digits is 40824, while the sum is 40.

The square root of 127612993 is about 11296.5920967343. The cubic root of 127612993 is about 503.4599923440.

The spelling of 127612993 in words is "one hundred twenty-seven million, six hundred twelve thousand, nine hundred ninety-three".