12542120 has 16 divisors (see below), whose sum is σ = 28219860. Its totient is φ = 5016832.

The previous prime is 12542113. The next prime is 12542137. The reversal of 12542120 is 2124521.

12542120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12208036 + 334084 = 3494^2 + 578^2 .

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, 156737 + ... + 156816.

Almost surely, 2^12542120 is an apocalyptic number.

12542120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12542120 is an abundant number, since it is smaller than the sum of its proper divisors (15677740).

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

12542120 is a wasteful number, since it uses less digits than its factorization.

12542120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313564 (or 313560 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12542120 is about 3541.4855639971. The cubic root of 12542120 is about 232.3398210700.

Adding to 12542120 its reverse (2124521), we get a palindrome (14666641).

The spelling of 12542120 in words is "twelve million, five hundred forty-two thousand, one hundred twenty".