1121722010 has 8 divisors (see below), whose sum is σ = 2019099636. Its totient is φ = 448688800.

The previous prime is 1121722003. The next prime is 1121722087. The reversal of 1121722010 is 102271211.

It can be written as a sum of positive squares in 2 ways, for example, as 1108157521 + 13564489 = 33289^2 + 3683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1121722010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56086091 + ... + 56086110.

Almost surely, 2^1121722010 is an apocalyptic number.

1121722010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121722010 is a deficient number, since it is larger than the sum of its proper divisors (897377626).

1121722010 is a wasteful number, since it uses less digits than its factorization.

1121722010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112172208.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 1121722010 is about 33492.1186251333. The cubic root of 1121722010 is about 1039.0307815678.

Adding to 1121722010 its reverse (102271211), we get a palindrome (1223993221).

The spelling of 1121722010 in words is "one billion, one hundred twenty-one million, seven hundred twenty-two thousand, ten".