1025112315 has 32 divisors (see below), whose sum is σ = 1674282240. Its totient is φ = 535430016.

The previous prime is 1025112311. The next prime is 1025112337. The reversal of 1025112315 is 5132115201.

It is not a de Polignac number, because 1025112315 - 2² = 1025112311 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025112291 and 1025112300.

It is not an unprimeable number, because it can be changed into a prime (1025112311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248409 + ... + 252501.

It is an arithmetic number, because the mean of its divisors is an integer number (52321320).

Almost surely, 2^1025112315 is an apocalyptic number.

1025112315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1025112315 is a deficient number, since it is larger than the sum of its proper divisors (649169925).

1025112315 is a wasteful number, since it uses less digits than its factorization.

1025112315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443.

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

The square root of 1025112315 is about 32017.3752047228. The cubic root of 1025112315 is about 1008.3016633421.

Adding to 1025112315 its reverse (5132115201), we get a palindrome (6157227516).

The spelling of 1025112315 in words is "one billion, twenty-five million, one hundred twelve thousand, three hundred fifteen".