1151521234 has 8 divisors (see below), whose sum is σ = 1734164208. Its totient is φ = 573466500.

The previous prime is 1151521229. The next prime is 1151521271. The reversal of 1151521234 is 4321251511.

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 = 1151521199 and 1151521208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1146432 + ... + 1147435.

It is an arithmetic number, because the mean of its divisors is an integer number (216770526).

Almost surely, 2^1151521234 is an apocalyptic number.

1151521234 is a deficient number, since it is larger than the sum of its proper divisors (582642974).

1151521234 is a wasteful number, since it uses less digits than its factorization.

1151521234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294120.

The product of its digits is 1200, while the sum is 25.

The square root of 1151521234 is about 33934.0718747397. The cubic root of 1151521234 is about 1048.1513151218.

Adding to 1151521234 its reverse (4321251511), we get a palindrome (5472772745).

The spelling of 1151521234 in words is "one billion, one hundred fifty-one million, five hundred twenty-one thousand, two hundred thirty-four".