1420734555 has 12 divisors (see below), whose sum is σ = 2462606640. Its totient is φ = 757725072.

The previous prime is 1420734533. The next prime is 1420734559. The reversal of 1420734555 is 5554370241.

1420734555 is a `hidden beast` number, since 14 + 20 + 73 + 4 + 555 = 666.

It is not a de Polignac number, because 1420734555 - 2⁸ = 1420734299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420734559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15785895 + ... + 15785984.

It is an arithmetic number, because the mean of its divisors is an integer number (205217220).

Almost surely, 2^1420734555 is an apocalyptic number.

1420734555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420734555 is a deficient number, since it is larger than the sum of its proper divisors (1041872085).

1420734555 is a wasteful number, since it uses less digits than its factorization.

1420734555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31571890 (or 31571887 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 1420734555 is about 37692.6326355695. The cubic root of 1420734555 is about 1124.1846417940.

The spelling of 1420734555 in words is "one billion, four hundred twenty million, seven hundred thirty-four thousand, five hundred fifty-five".