1270000049 has 4 divisors (see below), whose sum is σ = 1279136880. Its totient is φ = 1260863220.

The previous prime is 1270000031. The next prime is 1270000057. The reversal of 1270000049 is 9400000721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1270000049 - 2⁸ = 1269999793 is a prime.

It is a super-2 number, since 2×1270000049² = 3225800248920004802, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1269999979 and 1270000033.

It is not an unprimeable number, because it can be changed into a prime (1270000649) 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, 4568207 + ... + 4568484.

It is an arithmetic number, because the mean of its divisors is an integer number (319784220).

Almost surely, 2^1270000049 is an apocalyptic number.

It is an amenable number.

1270000049 is a deficient number, since it is larger than the sum of its proper divisors (9136831).

1270000049 is an equidigital number, since it uses as much as digits as its factorization.

1270000049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9136830.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1270000049 is about 35637.0600498975. The cubic root of 1270000049 is about 1082.9321467595.

The spelling of 1270000049 in words is "one billion, two hundred seventy million, forty-nine", and thus it is an aban number.