1201198825 has 24 divisors (see below), whose sum is σ = 1515528000. Its totient is φ = 944285760.

The previous prime is 1201198811. The next prime is 1201198861. The reversal of 1201198825 is 5288911021.

It is not a de Polignac number, because 1201198825 - 2⁵ = 1201198793 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411471 + ... + 414379.

It is an arithmetic number, because the mean of its divisors is an integer number (63147000).

Almost surely, 2^1201198825 is an apocalyptic number.

It is an amenable number.

1201198825 is a deficient number, since it is larger than the sum of its proper divisors (314329175).

1201198825 is a wasteful number, since it uses less digits than its factorization.

1201198825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3201 (or 3196 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 37.

The square root of 1201198825 is about 34658.3153802951. The cubic root of 1201198825 is about 1063.0123240890.

The spelling of 1201198825 in words is "one billion, two hundred one million, one hundred ninety-eight thousand, eight hundred twenty-five".