4020112 has 10 divisors (see below), whose sum is σ = 7788998. Its totient is φ = 2010048.

The previous prime is 4020031. The next prime is 4020119. The reversal of 4020112 is 2110204.

It can be written as a sum of positive squares in only one way, i.e., 4016016 + 4096 = 2004^2 + 64^2 .

It is a super-2 number, since 2×4020112² = 32322600985088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4020119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125613 + ... + 125644.

Almost surely, 2^4020112 is an apocalyptic number.

It is an amenable number.

4020112 is a deficient number, since it is larger than the sum of its proper divisors (3768886).

4020112 is a wasteful number, since it uses less digits than its factorization.

4020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251265 (or 251259 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 4020112 is about 2005.0216956432. The cubic root of 4020112 is about 159.0057089574.

Adding to 4020112 its reverse (2110204), we get a palindrome (6130316).

The spelling of 4020112 in words is "four million, twenty thousand, one hundred twelve".