127401973 has 4 divisors (see below), whose sum is σ = 134107360. Its totient is φ = 120696588.

The previous prime is 127401947. The next prime is 127402001. The reversal of 127401973 is 379104721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 127401973 - 2²⁵ = 93847541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127401943) 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, 3352665 + ... + 3352702.

It is an arithmetic number, because the mean of its divisors is an integer number (33526840).

Almost surely, 2^127401973 is an apocalyptic number.

It is an amenable number.

127401973 is a deficient number, since it is larger than the sum of its proper divisors (6705387).

127401973 is an equidigital number, since it uses as much as digits as its factorization.

127401973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6705386.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 127401973 is about 11287.2482474694. The cubic root of 127401973 is about 503.1823332064.

The spelling of 127401973 in words is "one hundred twenty-seven million, four hundred one thousand, nine hundred seventy-three".