1243670053 has 8 divisors (see below), whose sum is σ = 1309651200. Its totient is φ = 1178681328.

The previous prime is 1243670047. The next prime is 1243670063. The reversal of 1243670053 is 3500763421.

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 1243670053 - 2¹⁷ = 1243538981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1243669997 and 1243670024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243670063) 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, 245533 + ... + 250546.

It is an arithmetic number, because the mean of its divisors is an integer number (163706400).

Almost surely, 2^1243670053 is an apocalyptic number.

It is an amenable number.

1243670053 is a deficient number, since it is larger than the sum of its proper divisors (65981147).

1243670053 is a wasteful number, since it uses less digits than its factorization.

1243670053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496211.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 1243670053 is about 35265.7064724358. The cubic root of 1243670053 is about 1075.3959393867.

The spelling of 1243670053 in words is "one billion, two hundred forty-three million, six hundred seventy thousand, fifty-three".