1140242201 has 12 divisors (see below), whose sum is σ = 1348889040. Its totient is φ = 960782760.

The previous prime is 1140242197. The next prime is 1140242221. The reversal of 1140242201 is 1022420411.

It is not a de Polignac number, because 1140242201 - 2² = 1140242197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1140242201.

It is not an unprimeable number, because it can be changed into a prime (1140242221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194315 + ... + 200096.

It is an arithmetic number, because the mean of its divisors is an integer number (112407420).

Almost surely, 2^1140242201 is an apocalyptic number.

It is an amenable number.

1140242201 is a deficient number, since it is larger than the sum of its proper divisors (208646839).

1140242201 is an equidigital number, since it uses as much as digits as its factorization.

1140242201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394484 (or 394477 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1140242201 is about 33767.4725290478. The cubic root of 1140242201 is about 1044.7179022281.

Adding to 1140242201 its reverse (1022420411), we get a palindrome (2162662612).

The spelling of 1140242201 in words is "one billion, one hundred forty million, two hundred forty-two thousand, two hundred one".