1142012055 has 16 divisors (see below), whose sum is σ = 1827643104. Its totient is φ = 608931840.

The previous prime is 1142012051. The next prime is 1142012057. The reversal of 1142012055 is 5502102411.

It is not a de Polignac number, because 1142012055 - 2² = 1142012051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107127 + ... + 117303.

It is an arithmetic number, because the mean of its divisors is an integer number (114227694).

Almost surely, 2^1142012055 is an apocalyptic number.

1142012055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142012055 is a deficient number, since it is larger than the sum of its proper divisors (685631049).

1142012055 is a wasteful number, since it uses less digits than its factorization.

1142012055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17666.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1142012055 is about 33793.6688597139. The cubic root of 1142012055 is about 1045.2581507019.

Adding to 1142012055 its reverse (5502102411), we get a palindrome (6644114466).

The spelling of 1142012055 in words is "one billion, one hundred forty-two million, twelve thousand, fifty-five".