101405828 has 12 divisors (see below), whose sum is σ = 177560460. Its totient is φ = 50674272.

The previous prime is 101405819. The next prime is 101405839. The reversal of 101405828 is 828504101.

It can be written as a sum of positive squares in 2 ways, for example, as 31382404 + 70023424 = 5602^2 + 8368^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101405828.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150 + ... + 14402.

It is an arithmetic number, because the mean of its divisors is an integer number (14796705).

Almost surely, 2^101405828 is an apocalyptic number.

It is an amenable number.

101405828 is a deficient number, since it is larger than the sum of its proper divisors (76154632).

101405828 is a wasteful number, since it uses less digits than its factorization.

101405828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14326 (or 14324 counting only the distinct ones).

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

The square root of 101405828 is about 10070.0460773524. The cubic root of 101405828 is about 466.3238613948.

Adding to 101405828 its reverse (828504101), we get a palindrome (929909929).

The spelling of 101405828 in words is "one hundred one million, four hundred five thousand, eight hundred twenty-eight".