127499453 has 2 divisors, whose sum is σ = 127499454. Its totient is φ = 127499452.

The previous prime is 127499357. The next prime is 127499479. The reversal of 127499453 is 354994721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107267449 + 20232004 = 10357^2 + 4498^2 .

It is an emirp because it is prime and its reverse (354994721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 127499453 - 2¹⁰ = 127498429 is a prime.

It is a super-2 number, since 2×127499453² = 32512221030598418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (127499483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63749726 + 63749727.

It is an arithmetic number, because the mean of its divisors is an integer number (63749727).

Almost surely, 2^127499453 is an apocalyptic number.

It is an amenable number.

127499453 is a deficient number, since it is larger than the sum of its proper divisors (1).

127499453 is an equidigital number, since it uses as much as digits as its factorization.

127499453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 44.

The square root of 127499453 is about 11291.5655690431. The cubic root of 127499453 is about 503.3106350109.

The spelling of 127499453 in words is "one hundred twenty-seven million, four hundred ninety-nine thousand, four hundred fifty-three".