1142571105 has 48 divisors (see below), whose sum is σ = 2258277840. Its totient is φ = 529403904.

The previous prime is 1142571097. The next prime is 1142571109. The reversal of 1142571105 is 5011752411.

It can be written as a sum of positive squares in 8 ways, for example, as 8767521 + 1133803584 = 2961^2 + 33672^2 .

It is not a de Polignac number, because 1142571105 - 2³ = 1142571097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142571109) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47500 + ... + 67389.

It is an arithmetic number, because the mean of its divisors is an integer number (47047455).

Almost surely, 2^1142571105 is an apocalyptic number.

1142571105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142571105 is a deficient number, since it is larger than the sum of its proper divisors (1115706735).

1142571105 is a wasteful number, since it uses less digits than its factorization.

1142571105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114930 (or 114927 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 1142571105 is about 33801.9393674387. The cubic root of 1142571105 is about 1045.4286848744.

The spelling of 1142571105 in words is "one billion, one hundred forty-two million, five hundred seventy-one thousand, one hundred five".