1264025079 has 6 divisors (see below), whose sum is σ = 1825814016. Its totient is φ = 842683380.

The previous prime is 1264025051. The next prime is 1264025083. The reversal of 1264025079 is 9705204621.

1264025079 is a `hidden beast` number, since 1 + 2 + 640 + 2 + 5 + 0 + 7 + 9 = 666.

It is not a de Polignac number, because 1264025079 - 2¹² = 1264020983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264021079) 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, 70223607 + ... + 70223624.

It is an arithmetic number, because the mean of its divisors is an integer number (304302336).

Almost surely, 2^1264025079 is an apocalyptic number.

1264025079 is a deficient number, since it is larger than the sum of its proper divisors (561788937).

1264025079 is a wasteful number, since it uses less digits than its factorization.

1264025079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140447237 (or 140447234 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1264025079 is about 35553.1303685062. The cubic root of 1264025079 is about 1081.2311859513.

The spelling of 1264025079 in words is "one billion, two hundred sixty-four million, twenty-five thousand, seventy-nine".