1142124229 has 2 divisors, whose sum is σ = 1142124230. Its totient is φ = 1142124228.

The previous prime is 1142124223. The next prime is 1142124241. The reversal of 1142124229 is 9224212411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 771561729 + 370562500 = 27777^2 + 19250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142124229 - 2⁷ = 1142124101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1142124197 and 1142124206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142124223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571062114 + 571062115.

It is an arithmetic number, because the mean of its divisors is an integer number (571062115).

Almost surely, 2^1142124229 is an apocalyptic number.

It is an amenable number.

1142124229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142124229 is an equidigital number, since it uses as much as digits as its factorization.

1142124229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 1142124229 is about 33795.3285085380. The cubic root of 1142124229 is about 1045.2923730345.

The spelling of 1142124229 in words is "one billion, one hundred forty-two million, one hundred twenty-four thousand, two hundred twenty-nine".