1201164250 has 64 divisors (see below), whose sum is σ = 2641766400. Its totient is φ = 403176000.

The previous prime is 1201164229. The next prime is 1201164299. The reversal of 1201164250 is 524611021.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 18951 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (41277600).

Almost surely, 2^1201164250 is an apocalyptic number.

1201164250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201164250 is an abundant number, since it is smaller than the sum of its proper divisors (1440602150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201164250 is a wasteful number, since it uses less digits than its factorization.

1201164250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33640 (or 33630 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 1201164250 is about 34657.8165786594. The cubic root of 1201164250 is about 1063.0021248328.

Adding to 1201164250 its reverse (524611021), we get a palindrome (1725775271).

The spelling of 1201164250 in words is "one billion, two hundred one million, one hundred sixty-four thousand, two hundred fifty".