1001307120 has 80 divisors (see below), whose sum is σ = 3386247552. Its totient is φ = 242740480.

The previous prime is 1001307119. The next prime is 1001307133. The reversal of 1001307120 is 217031001.

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 1001307120.

It is a congruent number.

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, 187002 + ... + 192281.

Almost surely, 2^1001307120 is an apocalyptic number.

1001307120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1001307120 is an abundant number, since it is smaller than the sum of its proper divisors (2384940432).

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

1001307120 is a wasteful number, since it uses less digits than its factorization.

1001307120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379310 (or 379304 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 1001307120 is about 31643.4372342829. The cubic root of 1001307120 is about 1000.4355169641.

Adding to 1001307120 its reverse (217031001), we get a palindrome (1218338121).

The spelling of 1001307120 in words is "one billion, one million, three hundred seven thousand, one hundred twenty".