1129676542 has 4 divisors (see below), whose sum is σ = 1694514816. Its totient is φ = 564838270.

The previous prime is 1129676531. The next prime is 1129676543. The reversal of 1129676542 is 2456769211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129676543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282419134 + ... + 282419137.

It is an arithmetic number, because the mean of its divisors is an integer number (423628704).

Almost surely, 2^1129676542 is an apocalyptic number.

1129676542 is a deficient number, since it is larger than the sum of its proper divisors (564838274).

1129676542 is an equidigital number, since it uses as much as digits as its factorization.

1129676542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564838273.

The product of its digits is 181440, while the sum is 43.

The square root of 1129676542 is about 33610.6611360146. The cubic root of 1129676542 is about 1041.4810450716.

The spelling of 1129676542 in words is "one billion, one hundred twenty-nine million, six hundred seventy-six thousand, five hundred forty-two".