1232122143 has 32 divisors (see below), whose sum is σ = 1910172672. Its totient is φ = 691891200.

The previous prime is 1232122117. The next prime is 1232122147. The reversal of 1232122143 is 3412212321.

It is not a de Polignac number, because 1232122143 - 2⁶ = 1232122079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232122147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525153 + ... + 527493.

It is an arithmetic number, because the mean of its divisors is an integer number (59692896).

Almost surely, 2^1232122143 is an apocalyptic number.

1232122143 is a deficient number, since it is larger than the sum of its proper divisors (678050529).

1232122143 is a wasteful number, since it uses less digits than its factorization.

1232122143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its digits is 576, while the sum is 21.

The square root of 1232122143 is about 35101.5974422817. The cubic root of 1232122143 is about 1072.0571084965.

Adding to 1232122143 its reverse (3412212321), we get a palindrome (4644334464).

The spelling of 1232122143 in words is "one billion, two hundred thirty-two million, one hundred twenty-two thousand, one hundred forty-three".