1420273655 has 8 divisors (see below), whose sum is σ = 1794030000. Its totient is φ = 1076417856.

The previous prime is 1420273633. The next prime is 1420273697. The reversal of 1420273655 is 5563720241.

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 1420273655 - 2⁸ = 1420273399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7475030 + ... + 7475219.

It is an arithmetic number, because the mean of its divisors is an integer number (224253750).

Almost surely, 2^1420273655 is an apocalyptic number.

1420273655 is a deficient number, since it is larger than the sum of its proper divisors (373756345).

1420273655 is a wasteful number, since it uses less digits than its factorization.

1420273655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14950273.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 1420273655 is about 37686.5182127508. The cubic root of 1420273655 is about 1124.0630631972.

Adding to 1420273655 its reverse (5563720241), we get a palindrome (6983993896).

The spelling of 1420273655 in words is "one billion, four hundred twenty million, two hundred seventy-three thousand, six hundred fifty-five".