1112142452 has 6 divisors (see below), whose sum is σ = 1946249298. Its totient is φ = 556071224.

The previous prime is 1112142419. The next prime is 1112142467. The reversal of 1112142452 is 2542412111.

It can be written as a sum of positive squares in only one way, i.e., 950242276 + 161900176 = 30826^2 + 12724^2 .

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, 139017803 + ... + 139017810.

It is an arithmetic number, because the mean of its divisors is an integer number (324374883).

Almost surely, 2^1112142452 is an apocalyptic number.

It is an amenable number.

1112142452 is a deficient number, since it is larger than the sum of its proper divisors (834106846).

1112142452 is a wasteful number, since it uses less digits than its factorization.

1112142452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278035617 (or 278035615 counting only the distinct ones).

The product of its digits is 640, while the sum is 23.

The square root of 1112142452 is about 33348.7998584657. The cubic root of 1112142452 is about 1036.0645311443.

Adding to 1112142452 its reverse (2542412111), we get a palindrome (3654554563).

The spelling of 1112142452 in words is "one billion, one hundred twelve million, one hundred forty-two thousand, four hundred fifty-two".