120432040 has 32 divisors (see below), whose sum is σ = 278299080. Its totient is φ = 46870272.

The previous prime is 120432007. The next prime is 120432049. The reversal of 120432040 is 40234021.

It can be written as a sum of positive squares in 4 ways, for example, as 120428676 + 3364 = 10974^2 + 58^2 .

It is not an unprimeable number, because it can be changed into a prime (120432049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39207 + ... + 42166.

Almost surely, 2^120432040 is an apocalyptic number.

120432040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120432040 is an abundant number, since it is smaller than the sum of its proper divisors (157867040).

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

120432040 is a wasteful number, since it uses less digits than its factorization.

120432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81421 (or 81417 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 120432040 is about 10974.1532702984. The cubic root of 120432040 is about 493.8336515856.

Adding to 120432040 its reverse (40234021), we get a palindrome (160666061).

The spelling of 120432040 in words is "one hundred twenty million, four hundred thirty-two thousand, forty".