1025015115 has 8 divisors (see below), whose sum is σ = 1640024208. Its totient is φ = 546674720.

The previous prime is 1025015113. The next prime is 1025015141. The reversal of 1025015115 is 5115105201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1025015115 - 2¹ = 1025015113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025015091 and 1025015100.

It is not an unprimeable number, because it can be changed into a prime (1025015113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34167156 + ... + 34167185.

It is an arithmetic number, because the mean of its divisors is an integer number (205003026).

Almost surely, 2^1025015115 is an apocalyptic number.

1025015115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025015115 is a deficient number, since it is larger than the sum of its proper divisors (615009093).

1025015115 is an equidigital number, since it uses as much as digits as its factorization.

1025015115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68334349.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1025015115 is about 32015.8572429351. The cubic root of 1025015115 is about 1008.2697936572.

The spelling of 1025015115 in words is "one billion, twenty-five million, fifteen thousand, one hundred fifteen".