1000421123 has 8 divisors (see below), whose sum is σ = 1078856688. Its totient is φ = 922197024.

The previous prime is 1000421099. The next prime is 1000421129. The reversal of 1000421123 is 3211240001.

1000421123 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 a cyclic number.

It is not a de Polignac number, because 1000421123 - 2⁸ = 1000420867 is a prime.

It is a super-2 number, since 2×1000421123² = 2001684846689162258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000421098 and 1000421107.

It is not an unprimeable number, because it can be changed into a prime (1000421129) 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, 42965 + ... + 62022.

It is an arithmetic number, because the mean of its divisors is an integer number (134857086).

Almost surely, 2^1000421123 is an apocalyptic number.

1000421123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000421123 is a deficient number, since it is larger than the sum of its proper divisors (78435565).

1000421123 is a wasteful number, since it uses less digits than its factorization.

1000421123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105733.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1000421123 is about 31629.4344400908. The cubic root of 1000421123 is about 1000.1403546330.

Adding to 1000421123 its reverse (3211240001), we get a palindrome (4211661124).

The spelling of 1000421123 in words is "one billion, four hundred twenty-one thousand, one hundred twenty-three".