19124112 has 120 divisors (see below), whose sum is σ = 59031936. Its totient is φ = 5316864.

The previous prime is 19124111. The next prime is 19124123. The reversal of 19124112 is 21142191.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (19124111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110458 + ... + 110630.

Almost surely, 2^19124112 is an apocalyptic number.

19124112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19124112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29515968).

19124112 is an abundant number, since it is smaller than the sum of its proper divisors (39907824).

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

19124112 is a wasteful number, since it uses less digits than its factorization.

19124112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its digits is 144, while the sum is 21.

The square root of 19124112 is about 4373.1123927930. The cubic root of 19124112 is about 267.4199230425.

The spelling of 19124112 in words is "nineteen million, one hundred twenty-four thousand, one hundred twelve".