1142571255 has 16 divisors (see below), whose sum is σ = 2089273344. Its totient is φ = 522318240.

The previous prime is 1142571229. The next prime is 1142571259. The reversal of 1142571255 is 5521752411.

It is not a de Polignac number, because 1142571255 - 2⁹ = 1142570743 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142571259) 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, 5440711 + ... + 5440920.

It is an arithmetic number, because the mean of its divisors is an integer number (130579584).

Almost surely, 2^1142571255 is an apocalyptic number.

1142571255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1142571255 is a deficient number, since it is larger than the sum of its proper divisors (946702089).

1142571255 is a wasteful number, since it uses less digits than its factorization.

1142571255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10881646.

The product of its digits is 14000, while the sum is 33.

The square root of 1142571255 is about 33801.9415862462. The cubic root of 1142571255 is about 1045.4287306234.

The spelling of 1142571255 in words is "one billion, one hundred forty-two million, five hundred seventy-one thousand, two hundred fifty-five".