1301003250 has 128 divisors (see below), whose sum is σ = 3366724608. Its totient is φ = 334368000.

The previous prime is 1301003201. The next prime is 1301003269. The reversal of 1301003250 is 523001031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4800615 + ... + 4800885.

It is an arithmetic number, because the mean of its divisors is an integer number (26302536).

Almost surely, 2^1301003250 is an apocalyptic number.

1301003250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301003250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1683362304).

1301003250 is an abundant number, since it is smaller than the sum of its proper divisors (2065721358).

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

1301003250 is a wasteful number, since it uses less digits than its factorization.

1301003250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1301003250 is about 36069.4226457813. The cubic root of 1301003250 is about 1091.6735646930.

Adding to 1301003250 its reverse (523001031), we get a palindrome (1824004281).

The spelling of 1301003250 in words is "one billion, three hundred one million, three thousand, two hundred fifty".