1264124453 has 8 divisors (see below), whose sum is σ = 1272527256. Its totient is φ = 1255737600.

The previous prime is 1264124447. The next prime is 1264124483. The reversal of 1264124453 is 3544214621.

It can be written as a sum of positive squares in 4 ways, for example, as 302690404 + 961434049 = 17398^2 + 31007^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1264124453 - 2¹⁸ = 1263862309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1264124483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183593 + ... + 190353.

It is an arithmetic number, because the mean of its divisors is an integer number (159065907).

Almost surely, 2^1264124453 is an apocalyptic number.

It is an amenable number.

1264124453 is a deficient number, since it is larger than the sum of its proper divisors (8402803).

1264124453 is a wasteful number, since it uses less digits than its factorization.

1264124453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7975.

The product of its digits is 23040, while the sum is 32.

The square root of 1264124453 is about 35554.5278832387. The cubic root of 1264124453 is about 1081.2595196328.

The spelling of 1264124453 in words is "one billion, two hundred sixty-four million, one hundred twenty-four thousand, four hundred fifty-three".