1142511214 has 48 divisors (see below), whose sum is σ = 1970615808. Its totient is φ = 493751808.

The previous prime is 1142511199. The next prime is 1142511221. The reversal of 1142511214 is 4121152411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2877664 + ... + 2878060.

It is an arithmetic number, because the mean of its divisors is an integer number (41054496).

Almost surely, 2^1142511214 is an apocalyptic number.

1142511214 is a deficient number, since it is larger than the sum of its proper divisors (828104594).

1142511214 is a wasteful number, since it uses less digits than its factorization.

1142511214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 812 counting only the distinct ones).

The product of its digits is 320, while the sum is 22.

The square root of 1142511214 is about 33801.0534451221. The cubic root of 1142511214 is about 1045.4104182174.

Adding to 1142511214 its reverse (4121152411), we get a palindrome (5263663625).

The spelling of 1142511214 in words is "one billion, one hundred forty-two million, five hundred eleven thousand, two hundred fourteen".