1405242301 has 4 divisors (see below), whose sum is σ = 1405395100. Its totient is φ = 1405089504.

The previous prime is 1405242269. The next prime is 1405242317. The reversal of 1405242301 is 1032425041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1032425041 = 1669 ⋅618589.

It can be written as a sum of positive squares in 2 ways, for example, as 602653401 + 802588900 = 24549^2 + 28330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1405242301 - 2⁵ = 1405242269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1405242001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61656 + ... + 81313.

It is an arithmetic number, because the mean of its divisors is an integer number (351348775).

Almost surely, 2^1405242301 is an apocalyptic number.

1405242301 is the 16765-th centered decagonal number.

It is an amenable number.

1405242301 is a deficient number, since it is larger than the sum of its proper divisors (152799).

1405242301 is an equidigital number, since it uses as much as digits as its factorization.

1405242301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152798.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1405242301 is about 37486.5616054607. The cubic root of 1405242301 is about 1120.0835133836.

Adding to 1405242301 its reverse (1032425041), we get a palindrome (2437667342).

The spelling of 1405242301 in words is "one billion, four hundred five million, two hundred forty-two thousand, three hundred one".