127040453 has 4 divisors (see below), whose sum is σ = 128648640. Its totient is φ = 125432268.

The previous prime is 127040437. The next prime is 127040489. The reversal of 127040453 is 354040721.

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: 354040721 = 487 ⋅726983.

It is a cyclic number.

It is not a de Polignac number, because 127040453 - 2⁴ = 127040437 is a prime.

It is a super-2 number, since 2×127040453² = 32278553396890418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127040423) 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, 803975 + ... + 804132.

It is an arithmetic number, because the mean of its divisors is an integer number (32162160).

Almost surely, 2^127040453 is an apocalyptic number.

It is an amenable number.

127040453 is a deficient number, since it is larger than the sum of its proper divisors (1608187).

127040453 is an equidigital number, since it uses as much as digits as its factorization.

127040453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608186.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 127040453 is about 11271.2223383269. Note that the first 3 decimals coincide. The cubic root of 127040453 is about 502.7059334311.

The spelling of 127040453 in words is "one hundred twenty-seven million, forty thousand, four hundred fifty-three".