1089143401 has 8 divisors (see below), whose sum is σ = 1127711880. Its totient is φ = 1050642432.

The previous prime is 1089143399. The next prime is 1089143411. The reversal of 1089143401 is 1043419801.

It can be written as a sum of positive squares in 4 ways, for example, as 47403225 + 1041740176 = 6885^2 + 32276^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1089143401 - 2¹ = 1089143399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089143411) 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, 17151 + ... + 49723.

It is an arithmetic number, because the mean of its divisors is an integer number (140963985).

Almost surely, 2^1089143401 is an apocalyptic number.

It is an amenable number.

1089143401 is a deficient number, since it is larger than the sum of its proper divisors (38568479).

1089143401 is a wasteful number, since it uses less digits than its factorization.

1089143401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33755.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1089143401 is about 33002.1726709015. The cubic root of 1089143401 is about 1028.8728049691.

The spelling of 1089143401 in words is "one billion, eighty-nine million, one hundred forty-three thousand, four hundred one".