124011431 has 2 divisors, whose sum is σ = 124011432. Its totient is φ = 124011430.

The previous prime is 124011409. The next prime is 124011473. The reversal of 124011431 is 134110421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124011431 - 2¹⁸ = 123749287 is a prime.

It is a super-3 number, since 3×124011431³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124011401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62005715 + 62005716.

It is an arithmetic number, because the mean of its divisors is an integer number (62005716).

Almost surely, 2^124011431 is an apocalyptic number.

124011431 is a deficient number, since it is larger than the sum of its proper divisors (1).

124011431 is an equidigital number, since it uses as much as digits as its factorization.

124011431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 124011431 is about 11136.0419808835. The cubic root of 124011431 is about 498.6784179193.

Adding to 124011431 its reverse (134110421), we get a palindrome (258121852).

The spelling of 124011431 in words is "one hundred twenty-four million, eleven thousand, four hundred thirty-one".