1142022011 has 8 divisors (see below), whose sum is σ = 1230171264. Its totient is φ = 1053915840.

The previous prime is 1142021987. The next prime is 1142022023. The reversal of 1142022011 is 1102202411.

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 1142022011 - 2²² = 1137827707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1142022061) 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, 63095 + ... + 79151.

It is an arithmetic number, because the mean of its divisors is an integer number (153771408).

Almost surely, 2^1142022011 is an apocalyptic number.

1142022011 is a deficient number, since it is larger than the sum of its proper divisors (88149253).

1142022011 is a wasteful number, since it uses less digits than its factorization.

1142022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541.

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

The square root of 1142022011 is about 33793.8161650915. The cubic root of 1142022011 is about 1045.2611881946.

Adding to 1142022011 its reverse (1102202411), we get a palindrome (2244224422).

The spelling of 1142022011 in words is "one billion, one hundred forty-two million, twenty-two thousand, eleven".