1012142452 has 6 divisors (see below), whose sum is σ = 1771249298. Its totient is φ = 506071224.

The previous prime is 1012142449. The next prime is 1012142459. The reversal of 1012142452 is 2542412101.

It can be written as a sum of positive squares in only one way, i.e., 1008316516 + 3825936 = 31754^2 + 1956^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012142459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126517803 + ... + 126517810.

Almost surely, 2^1012142452 is an apocalyptic number.

It is an amenable number.

1012142452 is a deficient number, since it is larger than the sum of its proper divisors (759106846).

1012142452 is a wasteful number, since it uses less digits than its factorization.

1012142452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253035617 (or 253035615 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1012142452 is about 31814.1863325152. The cubic root of 1012142452 is about 1004.0312114972.

Adding to 1012142452 its reverse (2542412101), we get a palindrome (3554554553).

The spelling of 1012142452 in words is "one billion, twelve million, one hundred forty-two thousand, four hundred fifty-two".