1043551401 has 8 divisors (see below), whose sum is σ = 1404911040. Its totient is φ = 688946352.

The previous prime is 1043551381. The next prime is 1043551403. The reversal of 1043551401 is 1041553401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1043551401 - 2¹⁰ = 1043550377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1043551403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1688286 + ... + 1688903.

It is an arithmetic number, because the mean of its divisors is an integer number (175613880).

Almost surely, 2^1043551401 is an apocalyptic number.

It is an amenable number.

1043551401 is a deficient number, since it is larger than the sum of its proper divisors (361359639).

1043551401 is a wasteful number, since it uses less digits than its factorization.

1043551401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377295.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1043551401 is about 32304.0462016757. The cubic root of 1043551401 is about 1014.3113420972.

The spelling of 1043551401 in words is "one billion, forty-three million, five hundred fifty-one thousand, four hundred one".