10142120 has 16 divisors (see below), whose sum is σ = 22819860. Its totient is φ = 4056832.

The previous prime is 10142113. The next prime is 10142131. The reversal of 10142120 is 2124101.

It can be written as a sum of positive squares in 2 ways, for example, as 10099684 + 42436 = 3178^2 + 206^2 .

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, 126737 + ... + 126816.

Almost surely, 2^10142120 is an apocalyptic number.

10142120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10142120 is an abundant number, since it is smaller than the sum of its proper divisors (12677740).

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

10142120 is a wasteful number, since it uses less digits than its factorization.

10142120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253564 (or 253560 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10142120 is about 3184.6695275962. The cubic root of 10142120 is about 216.4592992950.

Adding to 10142120 its reverse (2124101), we get a palindrome (12266221).

The spelling of 10142120 in words is "ten million, one hundred forty-two thousand, one hundred twenty".