1153029420 has 72 divisors (see below), whose sum is σ = 3703269024. Its totient is φ = 289387008.

The previous prime is 1153029419. The next prime is 1153029431. The reversal of 1153029420 is 249203511.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185344 + ... + 191463.

It is an arithmetic number, because the mean of its divisors is an integer number (51434292).

Almost surely, 2^1153029420 is an apocalyptic number.

1153029420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153029420 is an abundant number, since it is smaller than the sum of its proper divisors (2550239604).

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

1153029420 is a wasteful number, since it uses less digits than its factorization.

1153029420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376839 (or 376834 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 1153029420 is about 33956.2868994830. The cubic root of 1153029420 is about 1048.6087151387.

The spelling of 1153029420 in words is "one billion, one hundred fifty-three million, twenty-nine thousand, four hundred twenty".