1203553425 has 24 divisors (see below), whose sum is σ = 1991038240. Its totient is φ = 641520000.

The previous prime is 1203553397. The next prime is 1203553451. The reversal of 1203553425 is 5243553021.

It is not a de Polignac number, because 1203553425 - 2¹⁶ = 1203487889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1203553392 and 1203553401.

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, 165261 + ... + 172389.

Almost surely, 2^1203553425 is an apocalyptic number.

1203553425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1203553425 is a deficient number, since it is larger than the sum of its proper divisors (787484815).

1203553425 is a wasteful number, since it uses less digits than its factorization.

1203553425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393 (or 9388 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1203553425 is about 34692.2675102104. The cubic root of 1203553425 is about 1063.7064459663.

The spelling of 1203553425 in words is "one billion, two hundred three million, five hundred fifty-three thousand, four hundred twenty-five".