127645033 has 4 divisors (see below), whose sum is σ = 128650240. Its totient is φ = 126639828.

The previous prime is 127645031. The next prime is 127645069. The reversal of 127645033 is 330546721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330546721 = 15031 ⋅21991.

It is not a de Polignac number, because 127645033 - 2¹ = 127645031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127644986 and 127645004.

It is not an unprimeable number, because it can be changed into a prime (127645031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502413 + ... + 502666.

It is an arithmetic number, because the mean of its divisors is an integer number (32162560).

Almost surely, 2^127645033 is an apocalyptic number.

It is an amenable number.

127645033 is a deficient number, since it is larger than the sum of its proper divisors (1005207).

127645033 is a wasteful number, since it uses less digits than its factorization.

127645033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005206.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 127645033 is about 11298.0101345325. The cubic root of 127645033 is about 503.5021236557.

The spelling of 127645033 in words is "one hundred twenty-seven million, six hundred forty-five thousand, thirty-three".