120342534 has 24 divisors (see below), whose sum is σ = 260625672. Its totient is φ = 37028160.

The previous prime is 120342479. The next prime is 120342539. The reversal of 120342534 is 435243021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58327 + ... + 60354.

It is an arithmetic number, because the mean of its divisors is an integer number (10859403).

Almost surely, 2^120342534 is an apocalyptic number.

120342534 is an abundant number, since it is smaller than the sum of its proper divisors (140283138).

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

120342534 is a wasteful number, since it uses less digits than its factorization.

120342534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118712 (or 118699 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 120342534 is about 10970.0744755904. The cubic root of 120342534 is about 493.7112809674.

Adding to 120342534 its reverse (435243021), we get a palindrome (555585555).

The spelling of 120342534 in words is "one hundred twenty million, three hundred forty-two thousand, five hundred thirty-four".