1001151250 has 80 divisors (see below), whose sum is σ = 2168080992. Its totient is φ = 342560000.

The previous prime is 1001151227. The next prime is 1001151257. The reversal of 1001151250 is 521511001.

It is not an unprimeable number, because it can be changed into a prime (1001151257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 231609 + ... + 235891.

Almost surely, 2^1001151250 is an apocalyptic number.

1001151250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001151250 is an abundant number, since it is smaller than the sum of its proper divisors (1166929742).

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

1001151250 is a wasteful number, since it uses less digits than its factorization.

1001151250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333 (or 4318 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1001151250 is about 31640.9742264678. The cubic root of 1001151250 is about 1000.3836028301.

Adding to 1001151250 its reverse (521511001), we get a palindrome (1522662251).

It can be divided in two parts, 1001 and 151250, that added together give a palindrome (152251).

The spelling of 1001151250 in words is "one billion, one million, one hundred fifty-one thousand, two hundred fifty".