5921012123 has 8 divisors (see below), whose sum is σ = 6712078800. Its totient is φ = 5177888928.

The previous prime is 5921012113. The next prime is 5921012137. The reversal of 5921012123 is 3212101295.

It is a happy number.

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 5921012123 - 2¹⁸ = 5920749979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5921012092 and 5921012101.

It is not an unprimeable number, because it can be changed into a prime (5921012113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11985608 + ... + 11986101.

It is an arithmetic number, because the mean of its divisors is an integer number (839009850).

Almost surely, 2^5921012123 is an apocalyptic number.

5921012123 is a deficient number, since it is larger than the sum of its proper divisors (791066677).

5921012123 is a wasteful number, since it uses less digits than its factorization.

5921012123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23971741.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5921012123 is about 76948.1131867442. The cubic root of 5921012123 is about 1809.1114268366. Note that the first 3 decimals are identical.

The spelling of 5921012123 in words is "five billion, nine hundred twenty-one million, twelve thousand, one hundred twenty-three".