1142101171 has 4 divisors (see below), whose sum is σ = 1181484000. Its totient is φ = 1102718344.

The previous prime is 1142101159. The next prime is 1142101211. The reversal of 1142101171 is 1711012411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1711012411 = 3491 ⋅490121.

It is a cyclic number.

It is not a de Polignac number, because 1142101171 - 2¹⁹ = 1141576883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142101111) 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, 19691371 + ... + 19691428.

It is an arithmetic number, because the mean of its divisors is an integer number (295371000).

Almost surely, 2^1142101171 is an apocalyptic number.

1142101171 is a deficient number, since it is larger than the sum of its proper divisors (39382829).

1142101171 is an equidigital number, since it uses as much as digits as its factorization.

1142101171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39382828.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 1142101171 is about 33794.9873649925. The cubic root of 1142101171 is about 1045.2853386235.

Adding to 1142101171 its reverse (1711012411), we get a palindrome (2853113582).

The spelling of 1142101171 in words is "one billion, one hundred forty-two million, one hundred one thousand, one hundred seventy-one".