1051232143 has 8 divisors (see below), whose sum is σ = 1132362000. Its totient is φ = 970140288.

The previous prime is 1051232113. The next prime is 1051232159. The reversal of 1051232143 is 3412321501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1051232143 is a prime.

It is a super-2 number, since 2×1051232143² = 2210178036952744898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051232113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77568 + ... + 90106.

It is an arithmetic number, because the mean of its divisors is an integer number (141545250).

Almost surely, 2^1051232143 is an apocalyptic number.

1051232143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1051232143 is a deficient number, since it is larger than the sum of its proper divisors (81129857).

1051232143 is a wasteful number, since it uses less digits than its factorization.

1051232143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19001.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1051232143 is about 32422.7102969508. The cubic root of 1051232143 is about 1016.7937714537.

Adding to 1051232143 its reverse (3412321501), we get a palindrome (4463553644).

The spelling of 1051232143 in words is "one billion, fifty-one million, two hundred thirty-two thousand, one hundred forty-three".