1041320451 has 4 divisors (see below), whose sum is σ = 1388427272. Its totient is φ = 694213632.

The previous prime is 1041320443. The next prime is 1041320477. The reversal of 1041320451 is 1540231401.

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

It is not a de Polignac number, because 1041320451 - 2³ = 1041320443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1041324451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173553406 + ... + 173553411.

It is an arithmetic number, because the mean of its divisors is an integer number (347106818).

Almost surely, 2^1041320451 is an apocalyptic number.

1041320451 is a deficient number, since it is larger than the sum of its proper divisors (347106821).

1041320451 is an equidigital number, since it uses as much as digits as its factorization.

1041320451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347106820.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1041320451 is about 32269.4972226095. The cubic root of 1041320451 is about 1013.5880132912.

Adding to 1041320451 its reverse (1540231401), we get a palindrome (2581551852).

The spelling of 1041320451 in words is "one billion, forty-one million, three hundred twenty thousand, four hundred fifty-one".