127012397 has 8 divisors (see below), whose sum is σ = 135581760. Its totient is φ = 118631520.

The previous prime is 127012367. The next prime is 127012409. The reversal of 127012397 is 793210721.

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 127012397 - 2¹⁶ = 126946861 is a prime.

It is a super-2 number, since 2×127012397² = 32264297983371218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127012307) 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, 45728 + ... + 48425.

It is an arithmetic number, because the mean of its divisors is an integer number (16947720).

Almost surely, 2^127012397 is an apocalyptic number.

It is an amenable number.

127012397 is a deficient number, since it is larger than the sum of its proper divisors (8569363).

127012397 is an equidigital number, since it uses as much as digits as its factorization.

127012397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94243.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 127012397 is about 11269.9776840950. The cubic root of 127012397 is about 502.6689243375.

The spelling of 127012397 in words is "one hundred twenty-seven million, twelve thousand, three hundred ninety-seven".