19490124 has 48 divisors (see below), whose sum is σ = 48567680. Its totient is φ = 6065280.

The previous prime is 19490123. The next prime is 19490147. The reversal of 19490124 is 42109491.

It is a junction number, because it is equal to n+sod(n) for n = 19490091 and 19490100.

It is not an unprimeable number, because it can be changed into a prime (19490123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16059 + ... + 17229.

Almost surely, 2^19490124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19490124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24283840).

19490124 is an abundant number, since it is smaller than the sum of its proper divisors (29077556).

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

19490124 is a wasteful number, since it uses less digits than its factorization.

19490124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 19490124 is about 4414.7620547432. The cubic root of 19490124 is about 269.1151830953.

The spelling of 19490124 in words is "nineteen million, four hundred ninety thousand, one hundred twenty-four".