1001421152 has 24 divisors (see below), whose sum is σ = 2017400616. Its totient is φ = 489065472.

The previous prime is 1001421149. The next prime is 1001421181. The reversal of 1001421152 is 2511241001.

1001421152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1001421152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362513 + ... + 365264.

It is an arithmetic number, because the mean of its divisors is an integer number (84058359).

Almost surely, 2^1001421152 is an apocalyptic number.

It is an amenable number.

1001421152 is an abundant number, since it is smaller than the sum of its proper divisors (1015979464).

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

1001421152 is an equidigital number, since it uses as much as digits as its factorization.

1001421152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727830 (or 727822 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1001421152 is about 31645.2390099996. The cubic root of 1001421152 is about 1000.4734931022.

Adding to 1001421152 its reverse (2511241001), we get a palindrome (3512662153).

The spelling of 1001421152 in words is "one billion, one million, four hundred twenty-one thousand, one hundred fifty-two".