1201520325 has 12 divisors (see below), whose sum is σ = 1986513728. Its totient is φ = 640810800.

The previous prime is 1201520317. The next prime is 1201520357. The reversal of 1201520325 is 5230251021.

It is not a de Polignac number, because 1201520325 - 2³ = 1201520317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8010061 + ... + 8010210.

Almost surely, 2^1201520325 is an apocalyptic number.

1201520325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201520325 is a deficient number, since it is larger than the sum of its proper divisors (784993403).

1201520325 is a wasteful number, since it uses less digits than its factorization.

1201520325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16020284 (or 16020279 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1201520325 is about 34662.9532065576. The cubic root of 1201520325 is about 1063.1071537900.

Adding to 1201520325 its reverse (5230251021), we get a palindrome (6431771346).

The spelling of 1201520325 in words is "one billion, two hundred one million, five hundred twenty thousand, three hundred twenty-five".