124423247 has 4 divisors (see below), whose sum is σ = 133994280. Its totient is φ = 114852216.

The previous prime is 124423219. The next prime is 124423249. The reversal of 124423247 is 742324421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 742324421 = 389 ⋅1908289.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124423247 is a prime.

It is a super-2 number, since 2×124423247² = 30962288788046018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124423249) 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, 4785497 + ... + 4785522.

It is an arithmetic number, because the mean of its divisors is an integer number (33498570).

Almost surely, 2^124423247 is an apocalyptic number.

124423247 is a deficient number, since it is larger than the sum of its proper divisors (9571033).

124423247 is an equidigital number, since it uses as much as digits as its factorization.

124423247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9571032.

The product of its digits is 10752, while the sum is 29.

The square root of 124423247 is about 11154.5168877903. The cubic root of 124423247 is about 499.2298102246.

Adding to 124423247 its reverse (742324421), we get a palindrome (866747668).

The spelling of 124423247 in words is "one hundred twenty-four million, four hundred twenty-three thousand, two hundred forty-seven".