101405412 has 24 divisors (see below), whose sum is σ = 262903200. Its totient is φ = 33801768.

The previous prime is 101405401. The next prime is 101405417. The reversal of 101405412 is 214504101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (101405417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469362 + ... + 469577.

It is an arithmetic number, because the mean of its divisors is an integer number (10954300).

Almost surely, 2^101405412 is an apocalyptic number.

101405412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101405412 is an abundant number, since it is smaller than the sum of its proper divisors (161497788).

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

101405412 is a wasteful number, since it uses less digits than its factorization.

101405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938952 (or 938944 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 101405412 is about 10070.0254220136. The cubic root of 101405412 is about 466.3232237227.

Adding to 101405412 its reverse (214504101), we get a palindrome (315909513).

The spelling of 101405412 in words is "one hundred one million, four hundred five thousand, four hundred twelve".