1243052134 has 8 divisors (see below), whose sum is σ = 1870112088. Its totient is φ = 619681440.

The previous prime is 1243052131. The next prime is 1243052137. The reversal of 1243052134 is 4312503421.

It is an interprime number because it is at equal distance from previous prime (1243052131) and next prime (1243052137).

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

It is a junction number, because it is equal to n+sod(n) for n = 1243052099 and 1243052108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243052131) 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, 921472 + ... + 922819.

It is an arithmetic number, because the mean of its divisors is an integer number (233764011).

Almost surely, 2^1243052134 is an apocalyptic number.

1243052134 is a deficient number, since it is larger than the sum of its proper divisors (627059954).

1243052134 is a wasteful number, since it uses less digits than its factorization.

1243052134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844630.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1243052134 is about 35256.9444790668. The cubic root of 1243052134 is about 1075.2178059484.

Adding to 1243052134 its reverse (4312503421), we get a palindrome (5555555555).

The spelling of 1243052134 in words is "one billion, two hundred forty-three million, fifty-two thousand, one hundred thirty-four".