1012231525 has 12 divisors (see below), whose sum is σ = 1260655300. Its totient is φ = 806244480.

The previous prime is 1012231483. The next prime is 1012231537. The reversal of 1012231525 is 5251322101.

It can be written as a sum of positive squares in 6 ways, for example, as 48874081 + 963357444 = 6991^2 + 31038^2 .

It is not a de Polignac number, because 1012231525 - 2¹⁵ = 1012198757 is a prime.

It is a super-2 number, since 2×1012231525² = 2049225320407651250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1012231496 and 1012231505.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 82680 + ... + 94129.

Almost surely, 2^1012231525 is an apocalyptic number.

It is an amenable number.

1012231525 is a deficient number, since it is larger than the sum of its proper divisors (248423775).

1012231525 is a wasteful number, since it uses less digits than its factorization.

1012231525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177048 (or 177043 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1012231525 is about 31815.5861960769. The cubic root of 1012231525 is about 1004.0606636916.

Adding to 1012231525 its reverse (5251322101), we get a palindrome (6263553626).

The spelling of 1012231525 in words is "one billion, twelve million, two hundred thirty-one thousand, five hundred twenty-five".