1140422011 has 8 divisors (see below), whose sum is σ = 1176084000. Its totient is φ = 1105133760.

The previous prime is 1140421993. The next prime is 1140422057. The reversal of 1140422011 is 1102240411.

It is a happy number.

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 1140422011 - 2⁵ = 1140421979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140422111) 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, 87231 + ... + 99448.

It is an arithmetic number, because the mean of its divisors is an integer number (147010500).

Almost surely, 2^1140422011 is an apocalyptic number.

1140422011 is a deficient number, since it is larger than the sum of its proper divisors (35661989).

1140422011 is a wasteful number, since it uses less digits than its factorization.

1140422011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186869.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1140422011 is about 33770.1348975689. The cubic root of 1140422011 is about 1044.7728147874.

Adding to 1140422011 its reverse (1102240411), we get a palindrome (2242662422).

The spelling of 1140422011 in words is "one billion, one hundred forty million, four hundred twenty-two thousand, eleven".