10111240 has 32 divisors (see below), whose sum is σ = 22961880. Its totient is φ = 4006912.

The previous prime is 10111229. The next prime is 10111247. The reversal of 10111240 is 4211101.

It can be written as a sum of positive squares in 4 ways, for example, as 6584356 + 3526884 = 2566^2 + 1878^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10111247) 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, 3402 + ... + 5638.

Almost surely, 2^10111240 is an apocalyptic number.

10111240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111240 is an abundant number, since it is smaller than the sum of its proper divisors (12850640).

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

10111240 is a wasteful number, since it uses less digits than its factorization.

10111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361 (or 2357 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10111240 is about 3179.8176048321. The cubic root of 10111240 is about 216.2393893688.

Adding to 10111240 its reverse (4211101), we get a palindrome (14322341).

The spelling of 10111240 in words is "ten million, one hundred eleven thousand, two hundred forty".