1000104720 has 80 divisors (see below), whose sum is σ = 3103676352. Its totient is φ = 266406400.

The previous prime is 1000104689. The next prime is 1000104751. The reversal of 1000104720 is 274010001.

It is an interprime number because it is at equal distance from previous prime (1000104689) and next prime (1000104751).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1000104720.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310639 + ... + 313841.

Almost surely, 2^1000104720 is an apocalyptic number.

1000104720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000104720 is an abundant number, since it is smaller than the sum of its proper divisors (2103571632).

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

1000104720 is a wasteful number, since it uses less digits than its factorization.

1000104720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4520 (or 4514 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1000104720 is about 31624.4323269209. The cubic root of 1000104720 is about 1000.0349054483.

Adding to 1000104720 its reverse (274010001), we get a palindrome (1274114721).

The spelling of 1000104720 in words is "one billion, one hundred four thousand, seven hundred twenty".