1152728542 has 8 divisors (see below), whose sum is σ = 1976106096. Its totient is φ = 494026512.

The previous prime is 1152728539. The next prime is 1152728543. The reversal of 1152728542 is 2458272511.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152728543) 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, 41168863 + ... + 41168890.

It is an arithmetic number, because the mean of its divisors is an integer number (247013262).

Almost surely, 2^1152728542 is an apocalyptic number.

1152728542 is a deficient number, since it is larger than the sum of its proper divisors (823377554).

1152728542 is an equidigital number, since it uses as much as digits as its factorization.

1152728542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82337762.

The product of its digits is 44800, while the sum is 37.

The square root of 1152728542 is about 33951.8562379143. The cubic root of 1152728542 is about 1048.5174972465.

The spelling of 1152728542 in words is "one billion, one hundred fifty-two million, seven hundred twenty-eight thousand, five hundred forty-two".