120142634 has 8 divisors (see below), whose sum is σ = 181867620. Its totient is φ = 59520096.

The previous prime is 120142619. The next prime is 120142637. The reversal of 120142634 is 436241021.

It can be written as a sum of positive squares in 2 ways, for example, as 115627009 + 4515625 = 10753^2 + 2125^2 .

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

It is not an unprimeable number, because it can be changed into a prime (120142637) 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, 275339 + ... + 275774.

Almost surely, 2^120142634 is an apocalyptic number.

120142634 is a deficient number, since it is larger than the sum of its proper divisors (61724986).

120142634 is a wasteful number, since it uses less digits than its factorization.

120142634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551224.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 120142634 is about 10960.9595382886. The cubic root of 120142634 is about 493.4377628736.

Adding to 120142634 its reverse (436241021), we get a palindrome (556383655).

The spelling of 120142634 in words is "one hundred twenty million, one hundred forty-two thousand, six hundred thirty-four".