19124234 has 4 divisors (see below), whose sum is σ = 28686354. Its totient is φ = 9562116.

The previous prime is 19124219. The next prime is 19124239. The reversal of 19124234 is 43242191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43242191 = 487 ⋅88793.

It can be written as a sum of positive squares in only one way, i.e., 18705625 + 418609 = 4325^2 + 647^2 .

It is not an unprimeable number, because it can be changed into a prime (19124239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4781057 + ... + 4781060.

Almost surely, 2^19124234 is an apocalyptic number.

19124234 is a deficient number, since it is larger than the sum of its proper divisors (9562120).

19124234 is an equidigital number, since it uses as much as digits as its factorization.

19124234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9562119.

The product of its digits is 1728, while the sum is 26.

The square root of 19124234 is about 4373.1263416462. The cubic root of 19124234 is about 267.4204916992.

The spelling of 19124234 in words is "nineteen million, one hundred twenty-four thousand, two hundred thirty-four".