1420624155 has 8 divisors (see below), whose sum is σ = 2272998672. Its totient is φ = 757666208.

The previous prime is 1420624147. The next prime is 1420624169. The reversal of 1420624155 is 5514260241.

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 1420624155 - 2³ = 1420624147 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47354124 + ... + 47354153.

It is an arithmetic number, because the mean of its divisors is an integer number (284124834).

Almost surely, 2^1420624155 is an apocalyptic number.

1420624155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420624155 is a deficient number, since it is larger than the sum of its proper divisors (852374517).

1420624155 is an equidigital number, since it uses as much as digits as its factorization.

1420624155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94708285.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1420624155 is about 37691.1681299479. The cubic root of 1420624155 is about 1124.1555223035.

Adding to 1420624155 its reverse (5514260241), we get a palindrome (6934884396).

The spelling of 1420624155 in words is "one billion, four hundred twenty million, six hundred twenty-four thousand, one hundred fifty-five".