124232121340 has 48 divisors (see below), whose sum is σ = 278870195520. Its totient is φ = 46372958720.

The previous prime is 124232121301. The next prime is 124232121347. The reversal of 124232121340 is 43121232421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124232121347) 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, 3274675 + ... + 3312394.

It is an arithmetic number, because the mean of its divisors is an integer number (5809795740).

Almost surely, 2^124232121340 is an apocalyptic number.

124232121340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124232121340 is an abundant number, since it is smaller than the sum of its proper divisors (154638074180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124232121340 is a wasteful number, since it uses less digits than its factorization.

124232121340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6587142 (or 6587140 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 124232121340 its reverse (43121232421), we get a palindrome (167353353761).

The spelling of 124232121340 in words is "one hundred twenty-four billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred forty".