124342140551 has 16 divisors (see below), whose sum is σ = 129056954400. Its totient is φ = 119656320000.

The previous prime is 124342140539. The next prime is 124342140563. The reversal of 124342140551 is 155041243421.

It is an interprime number because it is at equal distance from previous prime (124342140539) and next prime (124342140563).

It is not a de Polignac number, because 124342140551 - 2³⁰ = 123268398727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124342140151) 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, 16869995 + ... + 16877363.

It is an arithmetic number, because the mean of its divisors is an integer number (8066059650).

Almost surely, 2^124342140551 is an apocalyptic number.

124342140551 is a deficient number, since it is larger than the sum of its proper divisors (4714813849).

124342140551 is a wasteful number, since it uses less digits than its factorization.

124342140551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9250.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 124342140551 its reverse (155041243421), we get a palindrome (279383383972).

The spelling of 124342140551 in words is "one hundred twenty-four billion, three hundred forty-two million, one hundred forty thousand, five hundred fifty-one".