120042552 has 48 divisors (see below), whose sum is σ = 349106760. Its totient is φ = 34297536.

The previous prime is 120042539. The next prime is 120042557. The reversal of 120042552 is 255240021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120042557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49863 + ... + 52214.

Almost surely, 2^120042552 is an apocalyptic number.

120042552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120042552 is an abundant number, since it is smaller than the sum of its proper divisors (229064208).

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

120042552 is a wasteful number, since it uses less digits than its factorization.

120042552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102100 (or 102089 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 120042552 is about 10956.3932021446. The cubic root of 120042552 is about 493.3007092297.

Adding to 120042552 its reverse (255240021), we get a palindrome (375282573).

The spelling of 120042552 in words is "one hundred twenty million, forty-two thousand, five hundred fifty-two".