142115027 has 4 divisors (see below), whose sum is σ = 142139856. Its totient is φ = 142090200.

The previous prime is 142115021. The next prime is 142115033. The reversal of 142115027 is 720511241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 720511241 = 73 ⋅9870017.

It is an interprime number because it is at equal distance from previous prime (142115021) and next prime (142115033).

It is a cyclic number.

It is not a de Polignac number, because 142115027 - 2⁸ = 142114771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142114993 and 142115011.

It is not an unprimeable number, because it can be changed into a prime (142115021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013 + ... + 16889.

It is an arithmetic number, because the mean of its divisors is an integer number (35534964).

Almost surely, 2^142115027 is an apocalyptic number.

142115027 is a deficient number, since it is larger than the sum of its proper divisors (24829).

142115027 is an equidigital number, since it uses as much as digits as its factorization.

142115027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24828.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 142115027 is about 11921.2007365030. The cubic root of 142115027 is about 521.8511769732.

Adding to 142115027 its reverse (720511241), we get a palindrome (862626268).

The spelling of 142115027 in words is "one hundred forty-two million, one hundred fifteen thousand, twenty-seven".