10122740421 has 8 divisors (see below), whose sum is σ = 13681877760. Its totient is φ = 6656048352.

The previous prime is 10122740401. The next prime is 10122740429. The reversal of 10122740421 is 12404722101.

10122740421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10122740421 - 2⁹ = 10122739909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10122740391 and 10122740400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122740429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23111061 + ... + 23111498.

It is an arithmetic number, because the mean of its divisors is an integer number (1710234720).

Almost surely, 2^10122740421 is an apocalyptic number.

It is an amenable number.

10122740421 is a deficient number, since it is larger than the sum of its proper divisors (3559137339).

10122740421 is an equidigital number, since it uses as much as digits as its factorization.

10122740421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46222635.

The product of its (nonzero) digits is 896, while the sum is 24.

The spelling of 10122740421 in words is "ten billion, one hundred twenty-two million, seven hundred forty thousand, four hundred twenty-one".