529121142 has 72 divisors (see below), whose sum is σ = 1265420520. Its totient is φ = 159667200.

The previous prime is 529121111. The next prime is 529121143. The reversal of 529121142 is 241121925.

529121142 is a `hidden beast` number, since 529 + 121 + 14 + 2 = 666.

It is a super-2 number, since 2×529121142² = 559938365822768328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (529121143) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 825142 + ... + 825782.

It is an arithmetic number, because the mean of its divisors is an integer number (17575285).

Almost surely, 2^529121142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 529121142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (632710260).

529121142 is an abundant number, since it is smaller than the sum of its proper divisors (736299378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

529121142 is a wasteful number, since it uses less digits than its factorization.

529121142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050 (or 1036 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 529121142 is about 23002.6333709860. The cubic root of 529121142 is about 808.8196708961.

The spelling of 529121142 in words is "five hundred twenty-nine million, one hundred twenty-one thousand, one hundred forty-two".