1151204428 has 24 divisors (see below), whose sum is σ = 2248868160. Its totient is φ = 511104720.

The previous prime is 1151204423. The next prime is 1151204443. The reversal of 1151204428 is 8244021511.

It is a junction number, because it is equal to n+sod(n) for n = 1151204396 and 1151204405.

It is not an unprimeable number, because it can be changed into a prime (1151204423) 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, 302338 + ... + 306121.

It is an arithmetic number, because the mean of its divisors is an integer number (93702840).

Almost surely, 2^1151204428 is an apocalyptic number.

It is an amenable number.

1151204428 is a deficient number, since it is larger than the sum of its proper divisors (1097663732).

1151204428 is a wasteful number, since it uses less digits than its factorization.

1151204428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608517 (or 608515 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 1151204428 is about 33929.4035903963. The cubic root of 1151204428 is about 1048.0551840005.

Adding to 1151204428 its reverse (8244021511), we get a palindrome (9395225939).

The spelling of 1151204428 in words is "one billion, one hundred fifty-one million, two hundred four thousand, four hundred twenty-eight".