10127540 has 24 divisors (see below), whose sum is σ = 21426720. Its totient is φ = 4020768.

The previous prime is 10127539. The next prime is 10127549. The reversal of 10127540 is 4572101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10127549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959 + ... + 4601.

It is an arithmetic number, because the mean of its divisors is an integer number (892780).

Almost surely, 2^10127540 is an apocalyptic number.

10127540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10127540 is an abundant number, since it is smaller than the sum of its proper divisors (11299180).

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

10127540 is a wasteful number, since it uses less digits than its factorization.

10127540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 10127540 is about 3182.3796128055. The cubic root of 10127540 is about 216.3555244726.

Adding to 10127540 its reverse (4572101), we get a palindrome (14699641).

The spelling of 10127540 in words is "ten million, one hundred twenty-seven thousand, five hundred forty".