1420995 has 16 divisors (see below), whose sum is σ = 2312352. Its totient is φ = 744960.

The previous prime is 1420981. The next prime is 1420999. The reversal of 1420995 is 5990241.

It is a happy number.

It is not a de Polignac number, because 1420995 - 2⁶ = 1420931 is a prime.

1420995 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1420999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (144522).

2^1420995 is an apocalyptic number.

1420995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420995 is a deficient number, since it is larger than the sum of its proper divisors (891357).

1420995 is a wasteful number, since it uses less digits than its factorization.

1420995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 1420995 is about 1192.0549483979. The cubic root of 1420995 is about 112.4253331703.

It can be divided in two parts, 1420 and 995, that added together give a triangular number (2415 = T₆₉).

The spelling of 1420995 in words is "one million, four hundred twenty thousand, nine hundred ninety-five".