127007745 has 8 divisors (see below), whose sum is σ = 203212416. Its totient is φ = 67737456.

The previous prime is 127007737. The next prime is 127007759. The reversal of 127007745 is 547700721.

It is a happy number.

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

It is not a de Polignac number, because 127007745 - 2³ = 127007737 is a prime.

It is a super-2 number, since 2×127007745² = 32261934579970050, which contains 22 as substring.

It is an unprimeable number.

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, 4233577 + ... + 4233606.

It is an arithmetic number, because the mean of its divisors is an integer number (25401552).

Almost surely, 2^127007745 is an apocalyptic number.

127007745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127007745 is a deficient number, since it is larger than the sum of its proper divisors (76204671).

127007745 is an equidigital number, since it uses as much as digits as its factorization.

127007745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467191.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 127007745 is about 11269.7712931541. The cubic root of 127007745 is about 502.6627872873.

The spelling of 127007745 in words is "one hundred twenty-seven million, seven thousand, seven hundred forty-five".