1264755224 has 8 divisors (see below), whose sum is σ = 2371416060. Its totient is φ = 632377608.

The previous prime is 1264755223. The next prime is 1264755241. The reversal of 1264755224 is 4225574621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264755223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79047194 + ... + 79047209.

Almost surely, 2^1264755224 is an apocalyptic number.

It is an amenable number.

1264755224 is a deficient number, since it is larger than the sum of its proper divisors (1106660836).

1264755224 is a wasteful number, since it uses less digits than its factorization.

1264755224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158094409 (or 158094405 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 1264755224 is about 35563.3972505440. The cubic root of 1264755224 is about 1081.4393315017.

The spelling of 1264755224 in words is "one billion, two hundred sixty-four million, seven hundred fifty-five thousand, two hundred twenty-four".