1200013625 has 16 divisors (see below), whose sum is σ = 1534150800. Its totient is φ = 936592000.

The previous prime is 1200013613. The next prime is 1200013679. The reversal of 1200013625 is 5263100021.

It can be written as a sum of positive squares in 8 ways, for example, as 907877161 + 292136464 = 30131^2 + 17092^2 .

It is not a de Polignac number, because 1200013625 - 2¹² = 1200009529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1200013597 and 1200013606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111950 + ... + 122199.

It is an arithmetic number, because the mean of its divisors is an integer number (95884425).

Almost surely, 2^1200013625 is an apocalyptic number.

It is an amenable number.

1200013625 is a deficient number, since it is larger than the sum of its proper divisors (334137175).

1200013625 is an equidigital number, since it uses as much as digits as its factorization.

1200013625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234205 (or 234195 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1200013625 is about 34641.2128107548. The cubic root of 1200013625 is about 1062.6625910349.

Adding to 1200013625 its reverse (5263100021), we get a palindrome (6463113646).

The spelling of 1200013625 in words is "one billion, two hundred million, thirteen thousand, six hundred twenty-five".