10242855 has 40 divisors (see below), whose sum is σ = 20990112. Its totient is φ = 4681152.

The previous prime is 10242853. The next prime is 10242863. The reversal of 10242855 is 55824201.

It is a happy number.

10242855 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10242855 - 2¹ = 10242853 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10242853) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1029 + ... + 4641.

Almost surely, 2^10242855 is an apocalyptic number.

10242855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10242855 is an abundant number, since it is smaller than the sum of its proper divisors (10747257).

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

10242855 is an equidigital number, since it uses as much as digits as its factorization.

10242855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3637 (or 3628 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 10242855 is about 3200.4460626606. The cubic root of 10242855 is about 217.1735888645.

The spelling of 10242855 in words is "ten million, two hundred forty-two thousand, eight hundred fifty-five".