1420827 has 8 divisors (see below), whose sum is σ = 1908816. Its totient is φ = 940032.

The previous prime is 1420819. The next prime is 1420831. The reversal of 1420827 is 7280241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1420827 - 2³ = 1420819 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1420797 and 1420806.

It is not an unprimeable number, because it can be changed into a prime (1420807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (238602).

2^1420827 is an apocalyptic number.

1420827 is a deficient number, since it is larger than the sum of its proper divisors (487989).

1420827 is a wasteful number, since it uses less digits than its factorization.

1420827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 1420827 is about 1191.9844797647. The cubic root of 1420827 is about 112.4209024250.

The spelling of 1420827 in words is "one million, four hundred twenty thousand, eight hundred twenty-seven".