120342631 has 8 divisors (see below), whose sum is σ = 121080960. Its totient is φ = 119607288.

The previous prime is 120342623. The next prime is 120342659. The reversal of 120342631 is 136243021.

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 120342631 - 2³ = 120342623 is a prime.

It is a super-2 number, since 2×120342631² = 28964697672004322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120342671) 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, 204720 + ... + 205306.

It is an arithmetic number, because the mean of its divisors is an integer number (15135120).

Almost surely, 2^120342631 is an apocalyptic number.

120342631 is a deficient number, since it is larger than the sum of its proper divisors (738329).

120342631 is an equidigital number, since it uses as much as digits as its factorization.

120342631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 120342631 is about 10970.0788967081. The cubic root of 120342631 is about 493.7114136165.

Adding to 120342631 its reverse (136243021), we get a palindrome (256585652).

It can be divided in two parts, 1203 and 42631, that added together give a palindrome (43834).

The spelling of 120342631 in words is "one hundred twenty million, three hundred forty-two thousand, six hundred thirty-one".