1153366420 has 24 divisors (see below), whose sum is σ = 2455251624. Its totient is φ = 455026176.

The previous prime is 1153366393. The next prime is 1153366433. The reversal of 1153366420 is 246633511.

It can be written as a sum of positive squares in 4 ways, for example, as 11737476 + 1141628944 = 3426^2 + 33788^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393529 + ... + 396448.

It is an arithmetic number, because the mean of its divisors is an integer number (102302151).

Almost surely, 2^1153366420 is an apocalyptic number.

1153366420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153366420 is an abundant number, since it is smaller than the sum of its proper divisors (1301885204).

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

1153366420 is a wasteful number, since it uses less digits than its factorization.

1153366420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790059 (or 790057 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 1153366420 is about 33961.2487991829. The cubic root of 1153366420 is about 1048.7108653841.

Adding to 1153366420 its reverse (246633511), we get a palindrome (1399999931).

The spelling of 1153366420 in words is "one billion, one hundred fifty-three million, three hundred sixty-six thousand, four hundred twenty".