1260878967 has 60 divisors (see below), whose sum is σ = 2035952776. Its totient is φ = 777288960.

The previous prime is 1260878959. The next prime is 1260878999. The reversal of 1260878967 is 7698780621.

It is not a de Polignac number, because 1260878967 - 2³ = 1260878959 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260878467) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 1427508 + ... + 1428390.

Almost surely, 2^1260878967 is an apocalyptic number.

1260878967 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1260878967 is a deficient number, since it is larger than the sum of its proper divisors (775073809).

1260878967 is an equidigital number, since it uses as much as digits as its factorization.

1260878967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 964 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 1260878967 is about 35508.8575851153. The cubic root of 1260878967 is about 1080.3333924426. Note that the first 4 decimals are identical.

The spelling of 1260878967 in words is "one billion, two hundred sixty million, eight hundred seventy-eight thousand, nine hundred sixty-seven".