120142452 has 12 divisors (see below), whose sum is σ = 280332416. Its totient is φ = 40047480.

The previous prime is 120142427. The next prime is 120142493. The reversal of 120142452 is 254241021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 5005924 + ... + 5005947.

Almost surely, 2^120142452 is an apocalyptic number.

120142452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120142452 is an abundant number, since it is smaller than the sum of its proper divisors (160189964).

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

120142452 is a wasteful number, since it uses less digits than its factorization.

120142452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011878 (or 10011876 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 120142452 is about 10960.9512360926. The cubic root of 120142452 is about 493.4375137094.

Adding to 120142452 its reverse (254241021), we get a palindrome (374383473).

The spelling of 120142452 in words is "one hundred twenty million, one hundred forty-two thousand, four hundred fifty-two".