1001001050 has 48 divisors (see below), whose sum is σ = 2147808960. Its totient is φ = 339980160.

The previous prime is 1001001047. The next prime is 1001001059. The reversal of 1001001050 is 501001001.

It is a happy number.

It is a super-2 number, since 2×1001001050² = 2004006204202205000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001001059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24086 + ... + 50814.

It is an arithmetic number, because the mean of its divisors is an integer number (44746020).

Almost surely, 2^1001001050 is an apocalyptic number.

1001001050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001001050 is an abundant number, since it is smaller than the sum of its proper divisors (1146807910).

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

1001001050 is a wasteful number, since it uses less digits than its factorization.

1001001050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26855 (or 26850 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 8.

The square root of 1001001050 is about 31638.6006327714. The cubic root of 1001001050 is about 1000.3335720506. Note that the first 3 decimals are identical.

Adding to 1001001050 its reverse (501001001), we get a palindrome (1502002051).

The spelling of 1001001050 in words is "one billion, one million, one thousand, fifty".