1012103421 has 8 divisors (see below), whose sum is σ = 1542252864. Its totient is φ = 578344800.

The previous prime is 1012103413. The next prime is 1012103447. The reversal of 1012103421 is 1243012101.

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

It is not a de Polignac number, because 1012103421 - 2³ = 1012103413 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012103421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012103471) 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, 24097680 + ... + 24097721.

It is an arithmetic number, because the mean of its divisors is an integer number (192781608).

Almost surely, 2^1012103421 is an apocalyptic number.

It is an amenable number.

1012103421 is a deficient number, since it is larger than the sum of its proper divisors (530149443).

1012103421 is an equidigital number, since it uses as much as digits as its factorization.

1012103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48195411.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1012103421 is about 31813.5729052868. The cubic root of 1012103421 is about 1004.0183052619.

Adding to 1012103421 its reverse (1243012101), we get a palindrome (2255115522).

The spelling of 1012103421 in words is "one billion, twelve million, one hundred three thousand, four hundred twenty-one".