1012103430 has 64 divisors (see below), whose sum is σ = 2619751680. Its totient is φ = 248766336.

The previous prime is 1012103413. The next prime is 1012103447. The reversal of 1012103430 is 343012101.

1012103430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1012103413) and next prime (1012103447).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 342901 + ... + 345839.

It is an arithmetic number, because the mean of its divisors is an integer number (40933620).

Almost surely, 2^1012103430 is an apocalyptic number.

1012103430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1012103430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1309875840).

1012103430 is an abundant number, since it is smaller than the sum of its proper divisors (1607648250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1012103430 is a wasteful number, since it uses less digits than its factorization.

1012103430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1012103430 is about 31813.5730467359. The cubic root of 1012103430 is about 1004.0183082380.

Adding to 1012103430 its reverse (343012101), we get a palindrome (1355115531).

The spelling of 1012103430 in words is "one billion, twelve million, one hundred three thousand, four hundred thirty".