1142626111 has 6 divisors (see below), whose sum is σ = 1255944536. Its totient is φ = 1038750900.

The previous prime is 1142626109. The next prime is 1142626139. The reversal of 1142626111 is 1116262411.

It is not a de Polignac number, because 1142626111 - 2¹ = 1142626109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142636111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4721475 + ... + 4721716.

Almost surely, 2^1142626111 is an apocalyptic number.

1142626111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1142626111 is a deficient number, since it is larger than the sum of its proper divisors (113318425).

1142626111 is an equidigital number, since it uses as much as digits as its factorization.

1142626111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9443213 (or 9443202 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 1142626111 is about 33802.7530091855. The cubic root of 1142626111 is about 1045.4454610521.

Adding to 1142626111 its reverse (1116262411), we get a palindrome (2258888522).

The spelling of 1142626111 in words is "one billion, one hundred forty-two million, six hundred twenty-six thousand, one hundred eleven".