127275733 has 4 divisors (see below), whose sum is σ = 137066188. Its totient is φ = 117485280.

The previous prime is 127275697. The next prime is 127275749. The reversal of 127275733 is 337572721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40729924 + 86545809 = 6382^2 + 9303^2 .

It is a cyclic number.

It is not a de Polignac number, because 127275733 - 2⁹ = 127275221 is a prime.

It is a super-2 number, since 2×127275733² = 32398224421374578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127275692 and 127275701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127275773) 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, 4895208 + ... + 4895233.

It is an arithmetic number, because the mean of its divisors is an integer number (34266547).

Almost surely, 2^127275733 is an apocalyptic number.

127275733 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

127275733 is a deficient number, since it is larger than the sum of its proper divisors (9790455).

127275733 is an equidigital number, since it uses as much as digits as its factorization.

127275733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790454.

The product of its digits is 61740, while the sum is 37.

The square root of 127275733 is about 11281.6547101921. The cubic root of 127275733 is about 503.0160806003.

The spelling of 127275733 in words is "one hundred twenty-seven million, two hundred seventy-five thousand, seven hundred thirty-three".