19124157 has 16 divisors (see below), whose sum is σ = 27547520. Its totient is φ = 11731392.

The previous prime is 19124143. The next prime is 19124197. The reversal of 19124157 is 75142191.

It is not a de Polignac number, because 19124157 - 2⁶ = 19124093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19124107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16563 + ... + 17679.

It is an arithmetic number, because the mean of its divisors is an integer number (1721720).

Almost surely, 2^19124157 is an apocalyptic number.

It is an amenable number.

19124157 is a deficient number, since it is larger than the sum of its proper divisors (8423363).

19124157 is a wasteful number, since it uses less digits than its factorization.

19124157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572.

The product of its digits is 2520, while the sum is 30.

The square root of 19124157 is about 4373.1175378670. The cubic root of 19124157 is about 267.4201327932.

The spelling of 19124157 in words is "nineteen million, one hundred twenty-four thousand, one hundred fifty-seven".