10001120 has 24 divisors (see below), whose sum is σ = 23628024. Its totient is φ = 4000384.

The previous prime is 10001119. The next prime is 10001203. The reversal of 10001120 is 2110001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31094 + ... + 31413.

It is an arithmetic number, because the mean of its divisors is an integer number (984501).

Almost surely, 2^10001120 is an apocalyptic number.

10001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10001120 is an abundant number, since it is smaller than the sum of its proper divisors (13626904).

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

10001120 is an equidigital number, since it uses as much as digits as its factorization.

10001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62522 (or 62514 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 5.

The square root of 10001120 is about 3162.4547427592. The cubic root of 10001120 is about 215.4515119258.

Adding to 10001120 its reverse (2110001), we get a palindrome (12111121).

The spelling of 10001120 in words is "ten million, one thousand, one hundred twenty".