1201010228 has 24 divisors (see below), whose sum is σ = 2392528320. Its totient is φ = 522177920.

The previous prime is 1201010221. The next prime is 1201010299. The reversal of 1201010228 is 8220101021.

It is a happy number.

It is a super-2 number, since 2×1201010228² = 2884851135521223968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201010221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 592373 + ... + 594396.

It is an arithmetic number, because the mean of its divisors is an integer number (99688680).

Almost surely, 2^1201010228 is an apocalyptic number.

It is an amenable number.

1201010228 is a deficient number, since it is larger than the sum of its proper divisors (1191518092).

1201010228 is a wasteful number, since it uses less digits than its factorization.

1201010228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186807 (or 1186805 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 1201010228 is about 34655.5944690031. The cubic root of 1201010228 is about 1062.9566876075.

Adding to 1201010228 its reverse (8220101021), we get a palindrome (9421111249).

The spelling of 1201010228 in words is "one billion, two hundred one million, ten thousand, two hundred twenty-eight".