127028157 has 8 divisors (see below), whose sum is σ = 169565376. Its totient is φ = 84588192.

The previous prime is 127028147. The next prime is 127028171. The reversal of 127028157 is 751820721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 127028157 - 2⁶ = 127028093 is a prime.

It is a super-3 number, since 3×127028157³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127028107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21208 + ... + 26529.

It is an arithmetic number, because the mean of its divisors is an integer number (21195672).

Almost surely, 2^127028157 is an apocalyptic number.

It is an amenable number.

127028157 is a deficient number, since it is larger than the sum of its proper divisors (42537219).

127028157 is an equidigital number, since it uses as much as digits as its factorization.

127028157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48627.

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 127028157 is about 11270.6768652109. The cubic root of 127028157 is about 502.6897142625.

Adding to 127028157 its reverse (751820721), we get a palindrome (878848878).

The spelling of 127028157 in words is "one hundred twenty-seven million, twenty-eight thousand, one hundred fifty-seven".