1264034043 has 6 divisors (see below), whose sum is σ = 1825826964. Its totient is φ = 842689356.

The previous prime is 1264034039. The next prime is 1264034053. The reversal of 1264034043 is 3404304621.

1264034043 is a `hidden beast` number, since 12 + 640 + 3 + 4 + 0 + 4 + 3 = 666.

It is not a de Polignac number, because 1264034043 - 2² = 1264034039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1264033998 and 1264034016.

It is not an unprimeable number, because it can be changed into a prime (1264034053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70224105 + ... + 70224122.

It is an arithmetic number, because the mean of its divisors is an integer number (304304494).

Almost surely, 2^1264034043 is an apocalyptic number.

1264034043 is a deficient number, since it is larger than the sum of its proper divisors (561792921).

1264034043 is a wasteful number, since it uses less digits than its factorization.

1264034043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140448233 (or 140448230 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 1264034043 is about 35553.2564331314. The cubic root of 1264034043 is about 1081.2337418429.

Adding to 1264034043 its reverse (3404304621), we get a palindrome (4668338664).

The spelling of 1264034043 in words is "one billion, two hundred sixty-four million, thirty-four thousand, forty-three".