1051013143 has 4 divisors (see below), whose sum is σ = 1052956408. Its totient is φ = 1049069880.

The previous prime is 1051013123. The next prime is 1051013153. The reversal of 1051013143 is 3413101501.

1051013143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1051013143 - 2⁵ = 1051013111 is a prime.

It is a super-2 number, since 2×1051013143² = 2209257253517476898, which contains 22 as substring.

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 1051013143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051013123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 970821 + ... + 971902.

It is an arithmetic number, because the mean of its divisors is an integer number (263239102).

Almost surely, 2^1051013143 is an apocalyptic number.

1051013143 is a deficient number, since it is larger than the sum of its proper divisors (1943265).

1051013143 is an equidigital number, since it uses as much as digits as its factorization.

1051013143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943264.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1051013143 is about 32419.3328586509. The cubic root of 1051013143 is about 1016.7231580303.

Adding to 1051013143 its reverse (3413101501), we get a palindrome (4464114644).

It can be divided in two parts, 10510 and 13143, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 1051013143 in words is "one billion, fifty-one million, thirteen thousand, one hundred forty-three".