124142331 has 4 divisors (see below), whose sum is σ = 165523112. Its totient is φ = 82761552.

The previous prime is 124142329. The next prime is 124142351. The reversal of 124142331 is 133241421.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 124142331 - 2¹ = 124142329 is a prime.

It is a super-2 number, since 2×124142331² = 30822636692227122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124142298 and 124142307.

It is not an unprimeable number, because it can be changed into a prime (124142311) 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, 20690386 + ... + 20690391.

It is an arithmetic number, because the mean of its divisors is an integer number (41380778).

Almost surely, 2^124142331 is an apocalyptic number.

124142331 is a deficient number, since it is larger than the sum of its proper divisors (41380781).

124142331 is an equidigital number, since it uses as much as digits as its factorization.

124142331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41380780.

The product of its digits is 576, while the sum is 21.

The square root of 124142331 is about 11141.9177433690. The cubic root of 124142331 is about 498.8538158649.

Adding to 124142331 its reverse (133241421), we get a palindrome (257383752).

The spelling of 124142331 in words is "one hundred twenty-four million, one hundred forty-two thousand, three hundred thirty-one".