124340242431 has 16 divisors (see below), whose sum is σ = 176675871744. Its totient is φ = 77602418784.

The previous prime is 124340242427. The next prime is 124340242517. The reversal of 124340242431 is 134242043421.

It is not a de Polignac number, because 124340242431 - 2² = 124340242427 is a prime.

It is a super-2 number, since 2×124340242431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124340242031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19167316 + ... + 19173801.

It is an arithmetic number, because the mean of its divisors is an integer number (11042241984).

Almost surely, 2^124340242431 is an apocalyptic number.

124340242431 is a deficient number, since it is larger than the sum of its proper divisors (52335629313).

124340242431 is a wasteful number, since it uses less digits than its factorization.

124340242431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38341190.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 124340242431 its reverse (134242043421), we get a palindrome (258582285852).

The spelling of 124340242431 in words is "one hundred twenty-four billion, three hundred forty million, two hundred forty-two thousand, four hundred thirty-one".