1420715 has 8 divisors (see below), whose sum is σ = 1717200. Its totient is φ = 1128352.

The previous prime is 1420697. The next prime is 1420717. The reversal of 1420715 is 5170241.

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 1420715 - 2⁶ = 1420651 is a prime.

It is a super-2 number, since 2×1420715² = 4036862222450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1420717) by changing a digit.

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, 209 + ... + 1698.

It is an arithmetic number, because the mean of its divisors is an integer number (214650).

2^1420715 is an apocalyptic number.

1420715 is a deficient number, since it is larger than the sum of its proper divisors (296485).

1420715 is a wasteful number, since it uses less digits than its factorization.

1420715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 1420715 is about 1191.9374983614. The cubic root of 1420715 is about 112.4179484009.

Adding to 1420715 its reverse (5170241), we get a palindrome (6590956).

The spelling of 1420715 in words is "one million, four hundred twenty thousand, seven hundred fifteen".