124355031421 has 8 divisors (see below), whose sum is σ = 125393558400. Its totient is φ = 123320823360.

The previous prime is 124355031377. The next prime is 124355031473. The reversal of 124355031421 is 124130553421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124355031421 - 2¹¹ = 124355029373 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 (124355032421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021891 + ... + 1137088.

It is an arithmetic number, because the mean of its divisors is an integer number (15674194800).

Almost surely, 2^124355031421 is an apocalyptic number.

It is an amenable number.

124355031421 is a deficient number, since it is larger than the sum of its proper divisors (1038526979).

124355031421 is a wasteful number, since it uses less digits than its factorization.

124355031421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159459.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 124355031421 its reverse (124130553421), we get a palindrome (248485584842).

The spelling of 124355031421 in words is "one hundred twenty-four billion, three hundred fifty-five million, thirty-one thousand, four hundred twenty-one".