10122740 has 48 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 3776640.

The previous prime is 10122713. The next prime is 10122751. The reversal of 10122740 is 4722101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17699 + ... + 18261.

It is an arithmetic number, because the mean of its divisors is an integer number (473760).

Almost surely, 2^10122740 is an apocalyptic number.

10122740 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 10122740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11370240).

10122740 is an abundant number, since it is smaller than the sum of its proper divisors (12617740).

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

10122740 is a wasteful number, since it uses less digits than its factorization.

10122740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 10122740 is about 3181.6253707814. The cubic root of 10122740 is about 216.3213381309.

Adding to 10122740 its reverse (4722101), we get a palindrome (14844841).

The spelling of 10122740 in words is "ten million, one hundred twenty-two thousand, seven hundred forty".