1120713520 has 40 divisors (see below), whose sum is σ = 2641366656. Its totient is φ = 442142208.

The previous prime is 1120713511. The next prime is 1120713541. The reversal of 1120713520 is 253170211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1120713491 and 1120713500.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90112 + ... + 101791.

Almost surely, 2^1120713520 is an apocalyptic number.

1120713520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120713520 is an abundant number, since it is smaller than the sum of its proper divisors (1520653136).

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

1120713520 is a wasteful number, since it uses less digits than its factorization.

1120713520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191989 (or 191983 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 1120713520 is about 33477.0596080361. The cubic root of 1120713520 is about 1038.7193061975.

Adding to 1120713520 its reverse (253170211), we get a palindrome (1373883731).

The spelling of 1120713520 in words is "one billion, one hundred twenty million, seven hundred thirteen thousand, five hundred twenty".