1260004947 has 4 divisors (see below), whose sum is σ = 1680006600. Its totient is φ = 840003296.

The previous prime is 1260004937. The next prime is 1260005009. The reversal of 1260004947 is 7494000621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7494000621 = 3 ⋅2498000207.

It is a cyclic number.

It is not a de Polignac number, because 1260004947 - 2²⁰ = 1258956371 is a prime.

It is a super-2 number, since 2×1260004947² = 3175224932928945618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1260004927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210000822 + ... + 210000827.

It is an arithmetic number, because the mean of its divisors is an integer number (420001650).

Almost surely, 2^1260004947 is an apocalyptic number.

1260004947 is a deficient number, since it is larger than the sum of its proper divisors (420001653).

1260004947 is an equidigital number, since it uses as much as digits as its factorization.

1260004947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420001652.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1260004947 is about 35496.5483814976. The cubic root of 1260004947 is about 1080.0837117897.

The spelling of 1260004947 in words is "one billion, two hundred sixty million, four thousand, nine hundred forty-seven".