124153493 has 4 divisors (see below), whose sum is σ = 124222560. Its totient is φ = 124084428.

The previous prime is 124153489. The next prime is 124153573. The reversal of 124153493 is 394351421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394351421 = 311 ⋅1268011.

It is a cyclic number.

It is not a de Polignac number, because 124153493 - 2² = 124153489 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124153693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31763 + ... + 35456.

It is an arithmetic number, because the mean of its divisors is an integer number (31055640).

Almost surely, 2^124153493 is an apocalyptic number.

It is an amenable number.

124153493 is a deficient number, since it is larger than the sum of its proper divisors (69067).

124153493 is an equidigital number, since it uses as much as digits as its factorization.

124153493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69066.

The product of its digits is 12960, while the sum is 32.

The square root of 124153493 is about 11142.4186333130. The cubic root of 124153493 is about 498.8687665519.

The spelling of 124153493 in words is "one hundred twenty-four million, one hundred fifty-three thousand, four hundred ninety-three".