1420552415 has 4 divisors (see below), whose sum is σ = 1704662904. Its totient is φ = 1136441928.

The previous prime is 1420552403. The next prime is 1420552421. The reversal of 1420552415 is 5142550241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1420552415 - 2²⁴ = 1403775199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142055237 + ... + 142055246.

It is an arithmetic number, because the mean of its divisors is an integer number (426165726).

Almost surely, 2^1420552415 is an apocalyptic number.

1420552415 is a deficient number, since it is larger than the sum of its proper divisors (284110489).

1420552415 is an equidigital number, since it uses as much as digits as its factorization.

1420552415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284110488.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 1420552415 is about 37690.2164360992. The cubic root of 1420552415 is about 1124.1365991012.

The spelling of 1420552415 in words is "one billion, four hundred twenty million, five hundred fifty-two thousand, four hundred fifteen".