1268962539 has 16 divisors (see below), whose sum is σ = 1822908192. Its totient is φ = 780553728.

The previous prime is 1268962531. The next prime is 1268962549. The reversal of 1268962539 is 9352698621.

It is not a de Polignac number, because 1268962539 - 2³ = 1268962531 is a prime.

It is a super-2 number, since 2×1268962539² = 3220531850770653042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1268962491 and 1268962500.

It is not an unprimeable number, because it can be changed into a prime (1268962531) 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 15 ways as a sum of consecutive naturals, for example, 103267 + ... + 114899.

It is an arithmetic number, because the mean of its divisors is an integer number (113931762).

Almost surely, 2^1268962539 is an apocalyptic number.

1268962539 is a deficient number, since it is larger than the sum of its proper divisors (553945653).

1268962539 is a wasteful number, since it uses less digits than its factorization.

1268962539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14446.

The product of its digits is 1399680, while the sum is 51.

The square root of 1268962539 is about 35622.5004596814. The cubic root of 1268962539 is about 1082.6371706481.

The spelling of 1268962539 in words is "one billion, two hundred sixty-eight million, nine hundred sixty-two thousand, five hundred thirty-nine".