101216124 has 18 divisors (see below), whose sum is σ = 255851960. Its totient is φ = 33738696.

The previous prime is 101216099. The next prime is 101216153. The reversal of 101216124 is 421612101.

It is a tau number, because it is divible by the number of its divisors (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 101216097 and 101216106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1405744 + ... + 1405815.

Almost surely, 2^101216124 is an apocalyptic number.

It is an amenable number.

101216124 is an abundant number, since it is smaller than the sum of its proper divisors (154635836).

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

101216124 is a wasteful number, since it uses less digits than its factorization.

101216124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811569 (or 2811564 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 101216124 is about 10060.6224459523. The cubic root of 101216124 is about 466.0328895475.

Adding to 101216124 its reverse (421612101), we get a palindrome (522828225).

It can be divided in two parts, 101 and 216124, that added together give a square (216225 = 465²).

The spelling of 101216124 in words is "one hundred one million, two hundred sixteen thousand, one hundred twenty-four".