1140122201 has 8 divisors (see below), whose sum is σ = 1151258184. Its totient is φ = 1129004800.

The previous prime is 1140122197. The next prime is 1140122231. The reversal of 1140122201 is 1022210411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 65593801 + 1074528400 = 8099^2 + 32780^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1140122201 - 2² = 1140122197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140122231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140351 + ... + 148251.

It is an arithmetic number, because the mean of its divisors is an integer number (143907273).

Almost surely, 2^1140122201 is an apocalyptic number.

It is an amenable number.

1140122201 is a deficient number, since it is larger than the sum of its proper divisors (11135983).

1140122201 is a wasteful number, since it uses less digits than its factorization.

1140122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9291.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1140122201 is about 33765.6956244055. The cubic root of 1140122201 is about 1044.6812519602.

Adding to 1140122201 its reverse (1022210411), we get a palindrome (2162332612).

The spelling of 1140122201 in words is "one billion, one hundred forty million, one hundred twenty-two thousand, two hundred one".