120153226442 has 8 divisors (see below), whose sum is σ = 180380916036. Its totient is φ = 60026254432.

The previous prime is 120153226423. The next prime is 120153226451. The reversal of 120153226442 is 244622351021.

It can be written as a sum of positive squares in 2 ways, for example, as 104115283561 + 16037942881 = 322669^2 + 126641^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 120153226399 and 120153226408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25176413 + ... + 25181184.

Almost surely, 2^120153226442 is an apocalyptic number.

120153226442 is a deficient number, since it is larger than the sum of its proper divisors (60227689594).

120153226442 is a wasteful number, since it uses less digits than its factorization.

120153226442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50358792.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 120153226442 its reverse (244622351021), we get a palindrome (364775577463).

The spelling of 120153226442 in words is "one hundred twenty billion, one hundred fifty-three million, two hundred twenty-six thousand, four hundred forty-two".