1023252115 has 8 divisors (see below), whose sum is σ = 1230253488. Its totient is φ = 817034400.

The previous prime is 1023252103. The next prime is 1023252121. The reversal of 1023252115 is 5112523201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1023252115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 193036 + ... + 198265.

It is an arithmetic number, because the mean of its divisors is an integer number (153781686).

Almost surely, 2^1023252115 is an apocalyptic number.

1023252115 is a deficient number, since it is larger than the sum of its proper divisors (207001373).

1023252115 is an equidigital number, since it uses as much as digits as its factorization.

1023252115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391829.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1023252115 is about 31988.3121624133. The cubic root of 1023252115 is about 1007.6913957631.

Adding to 1023252115 its reverse (5112523201), we get a palindrome (6135775316).

The spelling of 1023252115 in words is "one billion, twenty-three million, two hundred fifty-two thousand, one hundred fifteen".