1012143437 has 2 divisors, whose sum is σ = 1012143438. Its totient is φ = 1012143436.

The previous prime is 1012143427. The next prime is 1012143443. The reversal of 1012143437 is 7343412101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 825930121 + 186213316 = 28739^2 + 13646^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012143437 - 2¹² = 1012139341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1012143427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506071718 + 506071719.

It is an arithmetic number, because the mean of its divisors is an integer number (506071719).

Almost surely, 2^1012143437 is an apocalyptic number.

It is an amenable number.

1012143437 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012143437 is an equidigital number, since it uses as much as digits as its factorization.

1012143437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1012143437 is about 31814.2018130268. The cubic root of 1012143437 is about 1004.0315371992.

Adding to 1012143437 its reverse (7343412101), we get a palindrome (8355555538).

The spelling of 1012143437 in words is "one billion, twelve million, one hundred forty-three thousand, four hundred thirty-seven".