1011125143 has 12 divisors (see below), whose sum is σ = 1184004912. Its totient is φ = 860932800.

The previous prime is 1011125131. The next prime is 1011125153. The reversal of 1011125143 is 3415211101.

1011125143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1011125143 - 2²¹ = 1009027991 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1011125143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011125113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60930 + ... + 75727.

It is an arithmetic number, because the mean of its divisors is an integer number (98667076).

Almost surely, 2^1011125143 is an apocalyptic number.

1011125143 is a deficient number, since it is larger than the sum of its proper divisors (172879769).

1011125143 is a wasteful number, since it uses less digits than its factorization.

1011125143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136822 (or 136815 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 1011125143 is about 31798.1940210447. The cubic root of 1011125143 is about 1003.6947132817.

Adding to 1011125143 its reverse (3415211101), we get a palindrome (4426336244).

The spelling of 1011125143 in words is "one billion, eleven million, one hundred twenty-five thousand, one hundred forty-three".