1264570 has 8 divisors (see below), whose sum is σ = 2276244. Its totient is φ = 505824.

The previous prime is 1264561. The next prime is 1264573. The reversal of 1264570 is 754621.

It can be written as a sum of positive squares in 2 ways, for example, as 1216609 + 47961 = 1103^2 + 219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1264573) 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, 63219 + ... + 63238.

2^1264570 is an apocalyptic number.

1264570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1264570 is a deficient number, since it is larger than the sum of its proper divisors (1011674).

1264570 is a wasteful number, since it uses less digits than its factorization.

1264570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126464.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1264570 is about 1124.5310133562. The cubic root of 1264570 is about 108.1386536491.

The spelling of 1264570 in words is "one million, two hundred sixty-four thousand, five hundred seventy".