1142321055 has 8 divisors (see below), whose sum is σ = 1827713712. Its totient is φ = 609237888.

The previous prime is 1142321029. The next prime is 1142321087. The reversal of 1142321055 is 5501232411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1142321055 - 2⁵ = 1142321023 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 38077354 + ... + 38077383.

It is an arithmetic number, because the mean of its divisors is an integer number (228464214).

Almost surely, 2^1142321055 is an apocalyptic number.

1142321055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142321055 is a deficient number, since it is larger than the sum of its proper divisors (685392657).

1142321055 is an equidigital number, since it uses as much as digits as its factorization.

1142321055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76154745.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1142321055 is about 33798.2404127789. The cubic root of 1142321055 is about 1045.3524158021.

Adding to 1142321055 its reverse (5501232411), we get a palindrome (6643553466).

The spelling of 1142321055 in words is "one billion, one hundred forty-two million, three hundred twenty-one thousand, fifty-five".