1427171542 has 8 divisors (see below), whose sum is σ = 2192971032. Its totient is φ = 696181200.

The previous prime is 1427171507. The next prime is 1427171563. The reversal of 1427171542 is 2451717241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1427171542² = 4073637220589315528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1427171498 and 1427171507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8702184 + ... + 8702347.

It is an arithmetic number, because the mean of its divisors is an integer number (274121379).

Almost surely, 2^1427171542 is an apocalyptic number.

1427171542 is a deficient number, since it is larger than the sum of its proper divisors (765799490).

1427171542 is a wasteful number, since it uses less digits than its factorization.

1427171542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17404574.

The product of its digits is 15680, while the sum is 34.

The square root of 1427171542 is about 37777.9240033118. The cubic root of 1427171542 is about 1125.8798823815.

Adding to 1427171542 its reverse (2451717241), we get a palindrome (3878888783).

It can be divided in two parts, 142 and 7171542, that added together give a square (7171684 = 2678²).

The spelling of 1427171542 in words is "one billion, four hundred twenty-seven million, one hundred seventy-one thousand, five hundred forty-two".