112858021 has 2 divisors, whose sum is σ = 112858022. Its totient is φ = 112858020.

The previous prime is 112858013. The next prime is 112858049. The reversal of 112858021 is 120858211.

It is an a-pointer prime, because the next prime (112858049) can be obtained adding 112858021 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84916225 + 27941796 = 9215^2 + 5286^2 .

It is a cyclic number.

It is not a de Polignac number, because 112858021 - 2³ = 112858013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112858001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56429010 + 56429011.

It is an arithmetic number, because the mean of its divisors is an integer number (56429011).

Almost surely, 2^112858021 is an apocalyptic number.

It is an amenable number.

112858021 is a deficient number, since it is larger than the sum of its proper divisors (1).

112858021 is an equidigital number, since it uses as much as digits as its factorization.

112858021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1280, while the sum is 28.

The square root of 112858021 is about 10623.4655833207. The cubic root of 112858021 is about 483.2562470272.

It can be divided in two parts, 11285 and 8021, that added together give a triangular number (19306 = T₁₉₆).

The spelling of 112858021 in words is "one hundred twelve million, eight hundred fifty-eight thousand, twenty-one".