1039123420 has 12 divisors (see below), whose sum is σ = 2182159224. Its totient is φ = 415649360.

The previous prime is 1039123373. The next prime is 1039123439. The reversal of 1039123420 is 243219301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25978066 + ... + 25978105.

It is an arithmetic number, because the mean of its divisors is an integer number (181846602).

Almost surely, 2^1039123420 is an apocalyptic number.

1039123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1039123420 is an abundant number, since it is smaller than the sum of its proper divisors (1143035804).

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

1039123420 is a wasteful number, since it uses less digits than its factorization.

1039123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51956180 (or 51956178 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1039123420 is about 32235.4373322280. The cubic root of 1039123420 is about 1012.8746714780.

The spelling of 1039123420 in words is "one billion, thirty-nine million, one hundred twenty-three thousand, four hundred twenty".