1263115 has 16 divisors (see below), whose sum is σ = 1751040. Its totient is φ = 856800.

The previous prime is 1263113. The next prime is 1263121. The reversal of 1263115 is 5113621.

It is not a de Polignac number, because 1263115 - 2¹ = 1263113 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1263092 and 1263101.

It is not an unprimeable number, because it can be changed into a prime (1263113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5166 + ... + 5404.

It is an arithmetic number, because the mean of its divisors is an integer number (109440).

2^1263115 is an apocalyptic number.

1263115 is a deficient number, since it is larger than the sum of its proper divisors (487925).

1263115 is a wasteful number, since it uses less digits than its factorization.

1263115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402.

The product of its digits is 180, while the sum is 19.

The square root of 1263115 is about 1123.8838908001. The cubic root of 1263115 is about 108.0971633599.

Adding to 1263115 its reverse (5113621), we get a palindrome (6376736).

It can be divided in two parts, 1263 and 115, that added together give a triangular number (1378 = T₅₂).

The spelling of 1263115 in words is "one million, two hundred sixty-three thousand, one hundred fifteen".