10120140 has 60 divisors (see below), whose sum is σ = 31752336. Its totient is φ = 2698272.

The previous prime is 10120139. The next prime is 10120147. The reversal of 10120140 is 4102101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10120147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1504 + ... + 4743.

Almost surely, 2^10120140 is an apocalyptic number.

10120140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120140 is an abundant number, since it is smaller than the sum of its proper divisors (21632196).

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

10120140 is a wasteful number, since it uses less digits than its factorization.

10120140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10120140 is about 3181.2167483527. The cubic root of 10120140 is about 216.3028160167.

Adding to 10120140 its reverse (4102101), we get a palindrome (14222241).

The spelling of 10120140 in words is "ten million, one hundred twenty thousand, one hundred forty".