120135042040 has 64 divisors (see below), whose sum is σ = 292132733760. Its totient is φ = 44199644160.

The previous prime is 120135042019. The next prime is 120135042089. The reversal of 120135042040 is 40240531021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264964 + ... + 557203.

It is an arithmetic number, because the mean of its divisors is an integer number (4564573965).

Almost surely, 2^120135042040 is an apocalyptic number.

120135042040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120135042040 is an abundant number, since it is smaller than the sum of its proper divisors (171997691720).

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

120135042040 is a wasteful number, since it uses less digits than its factorization.

120135042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822472 (or 822468 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 120135042040 its reverse (40240531021), we get a palindrome (160375573061).

The spelling of 120135042040 in words is "one hundred twenty billion, one hundred thirty-five million, forty-two thousand, forty".