1151428587 has 8 divisors (see below), whose sum is σ = 1570941504. Its totient is φ = 749767368.

The previous prime is 1151428559. The next prime is 1151428589. The reversal of 1151428587 is 7858241511.

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

It is not a de Polignac number, because 1151428587 - 2⁸ = 1151428331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151428589) 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, 4462773 + ... + 4463030.

It is an arithmetic number, because the mean of its divisors is an integer number (196367688).

Almost surely, 2^1151428587 is an apocalyptic number.

1151428587 is a deficient number, since it is larger than the sum of its proper divisors (419512917).

1151428587 is an equidigital number, since it uses as much as digits as its factorization.

1151428587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8925849.

The product of its digits is 89600, while the sum is 42.

The square root of 1151428587 is about 33932.7067443786. The cubic root of 1151428587 is about 1048.1232042842.

The spelling of 1151428587 in words is "one billion, one hundred fifty-one million, four hundred twenty-eight thousand, five hundred eighty-seven".