16121124 has 36 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 5356080.

The previous prime is 16121107. The next prime is 16121143. The reversal of 16121124 is 42112161.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 16121097 and 16121106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14997 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (1135680).

Almost surely, 2^16121124 is an apocalyptic number.

It is an amenable number.

16121124 is an abundant number, since it is smaller than the sum of its proper divisors (24763356).

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

16121124 is a wasteful number, since it uses less digits than its factorization.

16121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1475 counting only the distinct ones).

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

The square root of 16121124 is about 4015.1119536073. Note that the first 3 decimals coincide. The cubic root of 16121124 is about 252.6184733059.

Adding to 16121124 its reverse (42112161), we get a palindrome (58233285).

The spelling of 16121124 in words is "sixteen million, one hundred twenty-one thousand, one hundred twenty-four".