1030019999 has 16 divisors (see below), whose sum is σ = 1106572320. Its totient is φ = 956874240.

The previous prime is 1030019989. The next prime is 1030020007. The reversal of 1030019999 is 9999100301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030019999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030019909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80864 + ... + 92730.

It is an arithmetic number, because the mean of its divisors is an integer number (69160770).

Almost surely, 2^1030019999 is an apocalyptic number.

1030019999 is a deficient number, since it is larger than the sum of its proper divisors (76552321).

1030019999 is a wasteful number, since it uses less digits than its factorization.

1030019999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12010.

The product of its (nonzero) digits is 19683, while the sum is 41.

The square root of 1030019999 is about 32093.9246431470. The cubic root of 1030019999 is about 1009.9081702610.

The spelling of 1030019999 in words is "one billion, thirty million, nineteen thousand, nine hundred ninety-nine".