1000133420 has 48 divisors (see below), whose sum is σ = 2467469088. Its totient is φ = 335708160.

The previous prime is 1000133417. The next prime is 1000133437. The reversal of 1000133420 is 243310001.

It is a junction number, because it is equal to n+sod(n) for n = 1000133395 and 1000133404.

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 15 ways as a sum of consecutive naturals, for example, 171989 + ... + 177708.

It is an arithmetic number, because the mean of its divisors is an integer number (51405606).

Almost surely, 2^1000133420 is an apocalyptic number.

1000133420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000133420 is an abundant number, since it is smaller than the sum of its proper divisors (1467335668).

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

1000133420 is a wasteful number, since it uses less digits than its factorization.

1000133420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349730 (or 349728 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1000133420 is about 31624.8860867514. The cubic root of 1000133420 is about 1000.0444713556.

Adding to 1000133420 its reverse (243310001), we get a palindrome (1243443421).

The spelling of 1000133420 in words is "one billion, one hundred thirty-three thousand, four hundred twenty".