10321140 has 72 divisors (see below), whose sum is σ = 30028320. Its totient is φ = 2648640.

The previous prime is 10321121. The next prime is 10321151. The reversal of 10321140 is 4112301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57571 + ... + 57749.

It is an arithmetic number, because the mean of its divisors is an integer number (417060).

Almost surely, 2^10321140 is an apocalyptic number.

10321140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10321140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15014160).

10321140 is an abundant number, since it is smaller than the sum of its proper divisors (19707180).

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

10321140 is a wasteful number, since it uses less digits than its factorization.

10321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 10321140 is about 3212.6531091918. The cubic root of 10321140 is about 217.7254631231.

Adding to 10321140 its reverse (4112301), we get a palindrome (14433441).

The spelling of 10321140 in words is "ten million, three hundred twenty-one thousand, one hundred forty".