1001601730 has 16 divisors (see below), whose sum is σ = 1803674304. Its totient is φ = 400464880.

The previous prime is 1001601719. The next prime is 1001601787. The reversal of 1001601730 is 371061001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001601698 and 1001601707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3339 + ... + 44881.

It is an arithmetic number, because the mean of its divisors is an integer number (112729644).

Almost surely, 2^1001601730 is an apocalyptic number.

1001601730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001601730 is a deficient number, since it is larger than the sum of its proper divisors (802072574).

1001601730 is a wasteful number, since it uses less digits than its factorization.

1001601730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43961.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 1001601730 is about 31648.0920435972. The cubic root of 1001601730 is about 1000.5336251935.

Adding to 1001601730 its reverse (371061001), we get a palindrome (1372662731).

The spelling of 1001601730 in words is "one billion, one million, six hundred one thousand, seven hundred thirty".