1128282401 has 8 divisors (see below), whose sum is σ = 1195226280. Its totient is φ = 1061402368.

The previous prime is 1128282383. The next prime is 1128282451. The reversal of 1128282401 is 1042828211.

It can be written as a sum of positive squares in 4 ways, for example, as 151782400 + 976500001 = 12320^2 + 31249^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1128282401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128282451) 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, 23195 + ... + 52863.

It is an arithmetic number, because the mean of its divisors is an integer number (149403285).

Almost surely, 2^1128282401 is an apocalyptic number.

It is an amenable number.

1128282401 is a deficient number, since it is larger than the sum of its proper divisors (66943879).

1128282401 is a wasteful number, since it uses less digits than its factorization.

1128282401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31923.

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1128282401 is about 33589.9151680977. The cubic root of 1128282401 is about 1041.0524359146.

The spelling of 1128282401 in words is "one billion, one hundred twenty-eight million, two hundred eighty-two thousand, four hundred one".