120420420104 has 8 divisors (see below), whose sum is σ = 225788287710. Its totient is φ = 60210210048.

The previous prime is 120420420103. The next prime is 120420420119. The reversal of 120420420104 is 401024024021.

It can be written as a sum of positive squares in only one way, i.e., 109289748100 + 11130672004 = 330590^2 + 105502^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (120420420103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7526276249 + ... + 7526276264.

Almost surely, 2^120420420104 is an apocalyptic number.

It is an amenable number.

120420420104 is a deficient number, since it is larger than the sum of its proper divisors (105367867606).

120420420104 is a wasteful number, since it uses less digits than its factorization.

120420420104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052552519 (or 15052552515 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 120420420104 its reverse (401024024021), we get a palindrome (521444444125).

The spelling of 120420420104 in words is "one hundred twenty billion, four hundred twenty million, four hundred twenty thousand, one hundred four".