1153415420 has 12 divisors (see below), whose sum is σ = 2422172424. Its totient is φ = 461366160.

The previous prime is 1153415413. The next prime is 1153415423. The reversal of 1153415420 is 245143511.

It is a self number, because there is not a number n which added to its sum of digits gives 1153415420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153415423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28835366 + ... + 28835405.

It is an arithmetic number, because the mean of its divisors is an integer number (201847702).

Almost surely, 2^1153415420 is an apocalyptic number.

1153415420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153415420 is an abundant number, since it is smaller than the sum of its proper divisors (1268757004).

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

1153415420 is a wasteful number, since it uses less digits than its factorization.

1153415420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57670780 (or 57670778 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1153415420 is about 33961.9702019774. The cubic root of 1153415420 is about 1048.7257164334.

Adding to 1153415420 its reverse (245143511), we get a palindrome (1398558931).

The spelling of 1153415420 in words is "one billion, one hundred fifty-three million, four hundred fifteen thousand, four hundred twenty".