1011430143 has 6 divisors (see below), whose sum is σ = 1460954664. Its totient is φ = 674286756.

The previous prime is 1011430109. The next prime is 1011430153. The reversal of 1011430143 is 3410341101.

It is not a de Polignac number, because 1011430143 - 2⁹ = 1011429631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011430153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56190555 + ... + 56190572.

It is an arithmetic number, because the mean of its divisors is an integer number (243492444).

Almost surely, 2^1011430143 is an apocalyptic number.

1011430143 is a deficient number, since it is larger than the sum of its proper divisors (449524521).

1011430143 is a wasteful number, since it uses less digits than its factorization.

1011430143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112381133 (or 112381130 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1011430143 is about 31802.9895292880. The cubic root of 1011430143 is about 1003.7956226875.

Adding to 1011430143 its reverse (3410341101), we get a palindrome (4421771244).

The spelling of 1011430143 in words is "one billion, eleven million, four hundred thirty thousand, one hundred forty-three".