1203087825 has 18 divisors (see below), whose sum is σ = 2154864374. Its totient is φ = 641646720.

The previous prime is 1203087793. The next prime is 1203087833. The reversal of 1203087825 is 5287803021.

It can be written as a sum of positive squares in 3 ways, for example, as 14493249 + 1188594576 = 3807^2 + 34476^2 .

It is not a de Polignac number, because 1203087825 - 2⁵ = 1203087793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203087825.

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 17 ways as a sum of consecutive naturals, for example, 2673304 + ... + 2673753.

Almost surely, 2^1203087825 is an apocalyptic number.

1203087825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203087825 is a deficient number, since it is larger than the sum of its proper divisors (951776549).

1203087825 is a wasteful number, since it uses less digits than its factorization.

1203087825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5347073 (or 5347065 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1203087825 is about 34685.5564320367. The cubic root of 1203087825 is about 1063.5692617501.

The spelling of 1203087825 in words is "one billion, two hundred three million, eighty-seven thousand, eight hundred twenty-five".