1004999901 has 16 divisors (see below), whose sum is σ = 1387152000. Its totient is φ = 646455488.

The previous prime is 1004999899. The next prime is 1004999903. The reversal of 1004999901 is 1099994001.

It is an interprime number because it is at equal distance from previous prime (1004999899) and next prime (1004999903).

It is a cyclic number.

It is not a de Polignac number, because 1004999901 - 2¹ = 1004999899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004999903) 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 15 ways as a sum of consecutive naturals, for example, 166600 + ... + 172526.

It is an arithmetic number, because the mean of its divisors is an integer number (86697000).

Almost surely, 2^1004999901 is an apocalyptic number.

It is an amenable number.

1004999901 is a deficient number, since it is larger than the sum of its proper divisors (382152099).

1004999901 is a wasteful number, since it uses less digits than its factorization.

1004999901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7908.

The product of its (nonzero) digits is 26244, while the sum is 42.

The square root of 1004999901 is about 31701.7334068659. The cubic root of 1004999901 is about 1001.6638636889.

It can be divided in two parts, 100499 and 9901, that multiplied together give a palindrome (995040599).

The spelling of 1004999901 in words is "one billion, four million, nine hundred ninety-nine thousand, nine hundred one".