1235552401 has 8 divisors (see below), whose sum is σ = 1310247144. Its totient is φ = 1161081600.

The previous prime is 1235552371. The next prime is 1235552407. The reversal of 1235552401 is 1042555321.

It can be written as a sum of positive squares in 4 ways, for example, as 446223376 + 789329025 = 21124^2 + 28095^2 .

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 1235552401 - 2⁵ = 1235552369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1235552401.

It is not an unprimeable number, because it can be changed into a prime (1235552407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44550 + ... + 66751.

It is an arithmetic number, because the mean of its divisors is an integer number (163780893).

Almost surely, 2^1235552401 is an apocalyptic number.

It is an amenable number.

1235552401 is a deficient number, since it is larger than the sum of its proper divisors (74694743).

1235552401 is a wasteful number, since it uses less digits than its factorization.

1235552401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111971.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1235552401 is about 35150.4253317083. The cubic root of 1235552401 is about 1073.0510643515.

The spelling of 1235552401 in words is "one billion, two hundred thirty-five million, five hundred fifty-two thousand, four hundred one".