142120032 has 24 divisors (see below), whose sum is σ = 373065336. Its totient is φ = 47373312.

The previous prime is 142120021. The next prime is 142120037. The reversal of 142120032 is 230021241.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 7.

It is a junction number, because it is equal to n+sod(n) for n = 142119993 and 142120020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142120037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 740113 + ... + 740304.

It is an arithmetic number, because the mean of its divisors is an integer number (15544389).

Almost surely, 2^142120032 is an apocalyptic number.

142120032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142120032 is an abundant number, since it is smaller than the sum of its proper divisors (230945304).

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

142120032 is a wasteful number, since it uses less digits than its factorization.

142120032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1480430 (or 1480422 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 142120032 is about 11921.4106547841. The cubic root of 142120032 is about 521.8573030776.

Adding to 142120032 its reverse (230021241), we get a palindrome (372141273).

The spelling of 142120032 in words is "one hundred forty-two million, one hundred twenty thousand, thirty-two".