1001050420 has 48 divisors (see below), whose sum is σ = 2178368640. Its totient is φ = 385960064.

The previous prime is 1001050411. The next prime is 1001050433. The reversal of 1001050420 is 240501001.

It is a self number, because there is not a number n which added to its sum of digits gives 1001050420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478617 + ... + 480703.

It is an arithmetic number, because the mean of its divisors is an integer number (45382680).

Almost surely, 2^1001050420 is an apocalyptic number.

1001050420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1001050420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1089184320).

1001050420 is an abundant number, since it is smaller than the sum of its proper divisors (1177318220).

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

1001050420 is a wasteful number, since it uses less digits than its factorization.

1001050420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2952 (or 2950 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1001050420 is about 31639.3808409710. The cubic root of 1001050420 is about 1000.3500174735.

Adding to 1001050420 its reverse (240501001), we get a palindrome (1241551421).

The spelling of 1001050420 in words is "one billion, one million, fifty thousand, four hundred twenty".