1151246400 has 84 divisors (see below), whose sum is σ = 3777063312. Its totient is φ = 306997760.

The previous prime is 1151246399. The next prime is 1151246413. The reversal of 1151246400 is 46421511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 115122 + ... + 124721.

Almost surely, 2^1151246400 is an apocalyptic number.

1151246400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151246400 is an abundant number, since it is smaller than the sum of its proper divisors (2625816912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151246400 is a wasteful number, since it uses less digits than its factorization.

1151246400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239868 (or 239853 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1151246400 is about 33930.0221043252. The cubic root of 1151246400 is about 1048.0679209325.

Adding to 1151246400 its reverse (46421511), we get a palindrome (1197667911).

The spelling of 1151246400 in words is "one billion, one hundred fifty-one million, two hundred forty-six thousand, four hundred".