10122440 has 48 divisors (see below), whose sum is σ = 24071580. Its totient is φ = 3830400.

The previous prime is 10122439. The next prime is 10122457. The reversal of 10122440 is 4422101.

It can be written as a sum of positive squares in 2 ways, for example, as 9947716 + 174724 = 3154^2 + 418^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14090 + ... + 14790.

Almost surely, 2^10122440 is an apocalyptic number.

10122440 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 10122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12035790).

10122440 is an abundant number, since it is smaller than the sum of its proper divisors (13949140).

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

10122440 is a wasteful number, since it uses less digits than its factorization.

10122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10122440 is about 3181.5782247180. The cubic root of 10122440 is about 216.3192011258.

Adding to 10122440 its reverse (4422101), we get a palindrome (14544541).

The spelling of 10122440 in words is "ten million, one hundred twenty-two thousand, four hundred forty".