1201322425 has 18 divisors (see below), whose sum is σ = 1582429658. Its totient is φ = 904519680.

The previous prime is 1201322417. The next prime is 1201322429. The reversal of 1201322425 is 5242231021.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 84492864 + 1116829561 = 9192^2 + 33419^2 .

It is not a de Polignac number, because 1201322425 - 2³ = 1201322417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201322396 and 1201322405.

It is not an unprimeable number, because it can be changed into a prime (1201322429) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 75912 + ... + 90361.

Almost surely, 2^1201322425 is an apocalyptic number.

It is an amenable number.

1201322425 is a deficient number, since it is larger than the sum of its proper divisors (381107233).

1201322425 is a wasteful number, since it uses less digits than its factorization.

1201322425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166317 (or 166295 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1201322425 is about 34660.0984562941. The cubic root of 1201322425 is about 1063.0487831704.

Adding to 1201322425 its reverse (5242231021), we get a palindrome (6443553446).

The spelling of 1201322425 in words is "one billion, two hundred one million, three hundred twenty-two thousand, four hundred twenty-five".