1012231537 has 2 divisors, whose sum is σ = 1012231538. Its totient is φ = 1012231536.

The previous prime is 1012231483. The next prime is 1012231559. The reversal of 1012231537 is 7351322101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 512977201 + 499254336 = 22649^2 + 22344^2 .

It is an emirp because it is prime and its reverse (7351322101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1012231537 - 2¹¹ = 1012229489 is a prime.

It is a super-2 number, since 2×1012231537² = 2049225368994764738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1012231037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506115768 + 506115769.

It is an arithmetic number, because the mean of its divisors is an integer number (506115769).

Almost surely, 2^1012231537 is an apocalyptic number.

It is an amenable number.

1012231537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012231537 is an equidigital number, since it uses as much as digits as its factorization.

1012231537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1012231537 is about 31815.5863846637. The cubic root of 1012231537 is about 1004.0606676593.

Adding to 1012231537 its reverse (7351322101), we get a palindrome (8363553638).

The spelling of 1012231537 in words is "one billion, twelve million, two hundred thirty-one thousand, five hundred thirty-seven".