1016425730 has 8 divisors (see below), whose sum is σ = 1829566332. Its totient is φ = 406570288.

The previous prime is 1016425723. The next prime is 1016425741. The reversal of 1016425730 is 375246101.

It can be written as a sum of positive squares in 2 ways, for example, as 977625289 + 38800441 = 31267^2 + 6229^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1016425693 and 1016425702.

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, 50821277 + ... + 50821296.

Almost surely, 2^1016425730 is an apocalyptic number.

1016425730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1016425730 is a deficient number, since it is larger than the sum of its proper divisors (813140602).

1016425730 is a wasteful number, since it uses less digits than its factorization.

1016425730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101642580.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1016425730 is about 31881.4323705821. The cubic root of 1016425730 is about 1005.4455356478.

The spelling of 1016425730 in words is "one billion, sixteen million, four hundred twenty-five thousand, seven hundred thirty".