1251324364 has 24 divisors (see below), whose sum is σ = 2267672400. Its totient is φ = 603462720.

The previous prime is 1251324359. The next prime is 1251324367. The reversal of 1251324364 is 4634231521.

It is a super-4 number, since 4×1251324364⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1251324367) 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, 118959 + ... + 129049.

It is an arithmetic number, because the mean of its divisors is an integer number (94486350).

Almost surely, 2^1251324364 is an apocalyptic number.

It is an amenable number.

1251324364 is a deficient number, since it is larger than the sum of its proper divisors (1016348036).

1251324364 is a wasteful number, since it uses less digits than its factorization.

1251324364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193 (or 11191 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 1251324364 is about 35374.0634363654. The cubic root of 1251324364 is about 1077.5976448386.

Adding to 1251324364 its reverse (4634231521), we get a palindrome (5885555885).

The spelling of 1251324364 in words is "one billion, two hundred fifty-one million, three hundred twenty-four thousand, three hundred sixty-four".