124340142451 has 16 divisors (see below), whose sum is σ = 149413026240. Its totient is φ = 101215255680.

The previous prime is 124340142413. The next prime is 124340142457. The reversal of 124340142451 is 154241043421.

It is a happy number.

It is not a de Polignac number, because 124340142451 - 2¹⁹ = 124339618163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124340142457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5008216 + ... + 5032981.

It is an arithmetic number, because the mean of its divisors is an integer number (9338314140).

Almost surely, 2^124340142451 is an apocalyptic number.

124340142451 is a deficient number, since it is larger than the sum of its proper divisors (25072883789).

124340142451 is a wasteful number, since it uses less digits than its factorization.

124340142451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10041294.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 124340142451 its reverse (154241043421), we get a palindrome (278581185872).

The spelling of 124340142451 in words is "one hundred twenty-four billion, three hundred forty million, one hundred forty-two thousand, four hundred fifty-one".