1041520251 has 4 divisors (see below), whose sum is σ = 1388693672. Its totient is φ = 694346832.

The previous prime is 1041520231. The next prime is 1041520309. The reversal of 1041520251 is 1520251401.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1041520251 - 2⁵ = 1041520219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041520231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173586706 + ... + 173586711.

It is an arithmetic number, because the mean of its divisors is an integer number (347173418).

Almost surely, 2^1041520251 is an apocalyptic number.

1041520251 is a deficient number, since it is larger than the sum of its proper divisors (347173421).

1041520251 is an equidigital number, since it uses as much as digits as its factorization.

1041520251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347173420.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1041520251 is about 32272.5928769289. The cubic root of 1041520251 is about 1013.6528354549.

Adding to 1041520251 its reverse (1520251401), we get a palindrome (2561771652).

The spelling of 1041520251 in words is "one billion, forty-one million, five hundred twenty thousand, two hundred fifty-one".