1142523129 has 8 divisors (see below), whose sum is σ = 1661851872. Its totient is φ = 692438240.

The previous prime is 1142523127. The next prime is 1142523139. The reversal of 1142523129 is 9213252411.

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

It is a cyclic number.

It is not a de Polignac number, because 1142523129 - 2¹ = 1142523127 is a prime.

It is a super-3 number, since 3×1142523129³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142523096 and 1142523105.

It is not an unprimeable number, because it can be changed into a prime (1142523127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17310924 + ... + 17310989.

It is an arithmetic number, because the mean of its divisors is an integer number (207731484).

Almost surely, 2^1142523129 is an apocalyptic number.

It is an amenable number.

1142523129 is a deficient number, since it is larger than the sum of its proper divisors (519328743).

1142523129 is a wasteful number, since it uses less digits than its factorization.

1142523129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34621927.

The product of its digits is 4320, while the sum is 30.

The square root of 1142523129 is about 33801.2296965658. The cubic root of 1142523129 is about 1045.4140523238.

The spelling of 1142523129 in words is "one billion, one hundred forty-two million, five hundred twenty-three thousand, one hundred twenty-nine".