1043921123 has 8 divisors (see below), whose sum is σ = 1255845120. Its totient is φ = 847695240.

The previous prime is 1043921119. The next prime is 1043921173. The reversal of 1043921123 is 3211293401.

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

It is not a de Polignac number, because 1043921123 - 2² = 1043921119 is a prime.

It is a super-2 number, since 2×1043921123² = 2179542622091162258, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 1043921092 and 1043921101.

It is not an unprimeable number, because it can be changed into a prime (1043921173) 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, 3924383 + ... + 3924648.

It is an arithmetic number, because the mean of its divisors is an integer number (156980640).

Almost surely, 2^1043921123 is an apocalyptic number.

1043921123 is a deficient number, since it is larger than the sum of its proper divisors (211923997).

1043921123 is an equidigital number, since it uses as much as digits as its factorization.

1043921123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7849057.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1043921123 is about 32309.7682288190. The cubic root of 1043921123 is about 1014.4311154463.

The spelling of 1043921123 in words is "one billion, forty-three million, nine hundred twenty-one thousand, one hundred twenty-three".