124005431 has 8 divisors (see below), whose sum is σ = 136992000. Its totient is φ = 111304440.

The previous prime is 124005407. The next prime is 124005449. The reversal of 124005431 is 134500421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124005431 - 2⁶ = 124005367 is a prime.

It is a super-2 number, since 2×124005431² = 30754693834991522, 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 (124005461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70481 + ... + 72218.

It is an arithmetic number, because the mean of its divisors is an integer number (17124000).

Almost surely, 2^124005431 is an apocalyptic number.

124005431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

124005431 is a deficient number, since it is larger than the sum of its proper divisors (12986569).

124005431 is a wasteful number, since it uses less digits than its factorization.

124005431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142789.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 124005431 is about 11135.7725820888. The cubic root of 124005431 is about 498.6703753307.

Adding to 124005431 its reverse (134500421), we get a palindrome (258505852).

The spelling of 124005431 in words is "one hundred twenty-four million, five thousand, four hundred thirty-one".