127074169 has 4 divisors (see below), whose sum is σ = 130508644. Its totient is φ = 123639696.

The previous prime is 127074151. The next prime is 127074173. The reversal of 127074169 is 961470721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 961470721 = 53 ⋅18140957.

It can be written as a sum of positive squares in 2 ways, for example, as 70644025 + 56430144 = 8405^2 + 7512^2 .

It is a cyclic number.

It is not a de Polignac number, because 127074169 - 2⁵ = 127074137 is a prime.

It is a super-2 number, since 2×127074169² = 32295688854081122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 3434437 = 127074169 / (1 + 2 + 7 + 0 + 7 + 4 + 1 + 6 + 9).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127074119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1717182 + ... + 1717255.

It is an arithmetic number, because the mean of its divisors is an integer number (32627161).

Almost surely, 2^127074169 is an apocalyptic number.

It is an amenable number.

127074169 is a deficient number, since it is larger than the sum of its proper divisors (3434475).

127074169 is an equidigital number, since it uses as much as digits as its factorization.

127074169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434474.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 127074169 is about 11272.7179065210. The cubic root of 127074169 is about 502.7504015084.

The spelling of 127074169 in words is "one hundred twenty-seven million, seventy-four thousand, one hundred sixty-nine".