1203525 has 24 divisors (see below), whose sum is σ = 2212160. Its totient is φ = 641520.

The previous prime is 1203509. The next prime is 1203533. The reversal of 1203525 is 5253021.

It is a happy number.

It is not a de Polignac number, because 1203525 - 2⁴ = 1203509 is a prime.

1203525 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1203498 and 1203507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217 + ... + 1566.

2^1203525 is an apocalyptic number.

1203525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203525 is a deficient number, since it is larger than the sum of its proper divisors (1008635).

1203525 is a wasteful number, since it uses less digits than its factorization.

1203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1791 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1203525 is about 1097.0528701936. The cubic root of 1203525 is about 106.3698071849.

Adding to 1203525 its reverse (5253021), we get a palindrome (6456546).

It can be divided in two parts, 1203 and 525, that added together give a cube (1728 = 12³).

The spelling of 1203525 in words is "one million, two hundred three thousand, five hundred twenty-five".