101225828 has 24 divisors (see below), whose sum is σ = 196529760. Its totient is φ = 45230720.

The previous prime is 101225809. The next prime is 101225833. The reversal of 101225828 is 828522101.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 101225828.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16901 + ... + 22092.

It is an arithmetic number, because the mean of its divisors is an integer number (8188740).

Almost surely, 2^101225828 is an apocalyptic number.

It is an amenable number.

101225828 is a deficient number, since it is larger than the sum of its proper divisors (95303932).

101225828 is a wasteful number, since it uses less digits than its factorization.

101225828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39067 (or 39065 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 101225828 is about 10061.1047107164. The cubic root of 101225828 is about 466.0477825588.

Adding to 101225828 its reverse (828522101), we get a palindrome (929747929).

The spelling of 101225828 in words is "one hundred one million, two hundred twenty-five thousand, eight hundred twenty-eight".