127133011 has 4 divisors (see below), whose sum is σ = 128103624. Its totient is φ = 126162400.

The previous prime is 127132997. The next prime is 127133053. The reversal of 127133011 is 110331721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110331721 = 239 ⋅461639.

It is a cyclic number.

It is not a de Polignac number, because 127133011 - 2¹¹ = 127130963 is a prime.

It is a super-2 number, since 2×127133011² = 32325604971852242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127133011.

It is not an unprimeable number, because it can be changed into a prime (127133081) 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, 485110 + ... + 485371.

It is an arithmetic number, because the mean of its divisors is an integer number (32025906).

Almost surely, 2^127133011 is an apocalyptic number.

127133011 is a deficient number, since it is larger than the sum of its proper divisors (970613).

127133011 is an equidigital number, since it uses as much as digits as its factorization.

127133011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970612.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 127133011 is about 11275.3275340453. The cubic root of 127133011 is about 502.8279894620.

Adding to 127133011 its reverse (110331721), we get a palindrome (237464732).

The spelling of 127133011 in words is "one hundred twenty-seven million, one hundred thirty-three thousand, eleven".