1142605012 has 6 divisors (see below), whose sum is σ = 1999558778. Its totient is φ = 571302504.

The previous prime is 1142605007. The next prime is 1142605027. The reversal of 1142605012 is 2105062411.

It can be written as a sum of positive squares in only one way, i.e., 943964176 + 198640836 = 30724^2 + 14094^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142825623 + ... + 142825630.

Almost surely, 2^1142605012 is an apocalyptic number.

It is an amenable number.

1142605012 is a deficient number, since it is larger than the sum of its proper divisors (856953766).

1142605012 is a wasteful number, since it uses less digits than its factorization.

1142605012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285651257 (or 285651255 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1142605012 is about 33802.4409177799. The cubic root of 1142605012 is about 1045.4390261710.

Adding to 1142605012 its reverse (2105062411), we get a palindrome (3247667423).

The spelling of 1142605012 in words is "one billion, one hundred forty-two million, six hundred five thousand, twelve".