1427170427 has 4 divisors (see below), whose sum is σ = 1502284680. Its totient is φ = 1352056176.

The previous prime is 1427170421. The next prime is 1427170453. The reversal of 1427170427 is 7240717241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7240717241 = 389 ⋅18613669.

It is a cyclic number.

It is not a de Polignac number, because 1427170427 - 2¹⁸ = 1426908283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1427170421) 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, 37557098 + ... + 37557135.

It is an arithmetic number, because the mean of its divisors is an integer number (375571170).

Almost surely, 2^1427170427 is an apocalyptic number.

1427170427 is a deficient number, since it is larger than the sum of its proper divisors (75114253).

1427170427 is an equidigital number, since it uses as much as digits as its factorization.

1427170427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75114252.

The product of its (nonzero) digits is 21952, while the sum is 35.

The square root of 1427170427 is about 37777.9092460131. The cubic root of 1427170427 is about 1125.8795891777.

Adding to 1427170427 its reverse (7240717241), we get a palindrome (8667887668).

The spelling of 1427170427 in words is "one billion, four hundred twenty-seven million, one hundred seventy thousand, four hundred twenty-seven".