1226454525 has 36 divisors (see below), whose sum is σ = 2250311700. Its totient is φ = 638150400.

The previous prime is 1226454521. The next prime is 1226454533. The reversal of 1226454525 is 5254546221.

1226454525 is a `hidden beast` number, since 1 + 2 + 2 + 645 + 4 + 5 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 152843769 + 1073610756 = 12363^2 + 32766^2 .

It is not a de Polignac number, because 1226454525 - 2² = 1226454521 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1226454525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226454521) 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 in 35 ways as a sum of consecutive naturals, for example, 57250 + ... + 75699.

Almost surely, 2^1226454525 is an apocalyptic number.

1226454525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1226454525 is a deficient number, since it is larger than the sum of its proper divisors (1023857175).

1226454525 is a wasteful number, since it uses less digits than its factorization.

1226454525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133006 (or 132998 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 1226454525 is about 35020.7727641753. The cubic root of 1226454525 is about 1070.4108024617.

The spelling of 1226454525 in words is "one billion, two hundred twenty-six million, four hundred fifty-four thousand, five hundred twenty-five".