1152101520 has 60 divisors (see below), whose sum is σ = 3869143356. Its totient is φ = 307226880.

The previous prime is 1152101513. The next prime is 1152101521. The reversal of 1152101520 is 251012511.

1152101520 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 2 ways, for example, as 548121744 + 603979776 = 23412^2 + 24576^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1152101493 and 1152101502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152101521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799351 + ... + 800790.

Almost surely, 2^1152101520 is an apocalyptic number.

1152101520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152101520 is an abundant number, since it is smaller than the sum of its proper divisors (2717041836).

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

1152101520 is a wasteful number, since it uses less digits than its factorization.

1152101520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600160 (or 1600151 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1152101520 is about 33942.6209948495. The cubic root of 1152101520 is about 1048.3273504904.

The spelling of 1152101520 in words is "one billion, one hundred fifty-two million, one hundred one thousand, five hundred twenty".