1201235525 has 24 divisors (see below), whose sum is σ = 1748340480. Its totient is φ = 801437760.

The previous prime is 1201235473. The next prime is 1201235531. The reversal of 1201235525 is 5255321021.

It is not a de Polignac number, because 1201235525 - 2²² = 1197041221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201235494 and 1201235503.

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, 86285 + ... + 99234.

It is an arithmetic number, because the mean of its divisors is an integer number (72847520).

Almost surely, 2^1201235525 is an apocalyptic number.

It is an amenable number.

1201235525 is a deficient number, since it is larger than the sum of its proper divisors (547104955).

1201235525 is a wasteful number, since it uses less digits than its factorization.

1201235525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185573 (or 185568 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1201235525 is about 34658.8448307211. The cubic root of 1201235525 is about 1063.0231499834.

Adding to 1201235525 its reverse (5255321021), we get a palindrome (6456556546).

The spelling of 1201235525 in words is "one billion, two hundred one million, two hundred thirty-five thousand, five hundred twenty-five".