1525120113 has 32 divisors (see below), whose sum is σ = 2311483392. Its totient is φ = 886075200.

The previous prime is 1525120097. The next prime is 1525120117. The reversal of 1525120113 is 3110215251.

It is not a de Polignac number, because 1525120113 - 2⁴ = 1525120097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1525120113.

It is not an unprimeable number, because it can be changed into a prime (1525120117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102495 + ... + 116427.

It is an arithmetic number, because the mean of its divisors is an integer number (72233856).

Almost surely, 2^1525120113 is an apocalyptic number.

It is an amenable number.

1525120113 is a deficient number, since it is larger than the sum of its proper divisors (786363279).

1525120113 is a wasteful number, since it uses less digits than its factorization.

1525120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14085.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1525120113 is about 39052.7862386284. The cubic root of 1525120113 is about 1151.0689777988.

Adding to 1525120113 its reverse (3110215251), we get a palindrome (4635335364).

The spelling of 1525120113 in words is "one billion, five hundred twenty-five million, one hundred twenty thousand, one hundred thirteen".