112001020 has 24 divisors (see below), whose sum is σ = 235620000. Its totient is φ = 44720832.

The previous prime is 112001017. The next prime is 112001023. The reversal of 112001020 is 20100211.

It is an interprime number because it is at equal distance from previous prime (112001017) and next prime (112001023).

It is a junction number, because it is equal to n+sod(n) for n = 112000994 and 112001012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112001023) 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, 7306 + ... + 16654.

It is an arithmetic number, because the mean of its divisors is an integer number (9817500).

Almost surely, 2^112001020 is an apocalyptic number.

112001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112001020 is an abundant number, since it is smaller than the sum of its proper divisors (123618980).

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

112001020 is a wasteful number, since it uses less digits than its factorization.

112001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9957 (or 9955 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 112001020 is about 10583.0534346190. The cubic root of 112001020 is about 482.0299161313.

Adding to 112001020 its reverse (20100211), we get a palindrome (132101231).

The spelling of 112001020 in words is "one hundred twelve million, one thousand, twenty".