1420949 has 2 divisors, whose sum is σ = 1420950. Its totient is φ = 1420948.

The previous prime is 1420933. The next prime is 1420967. The reversal of 1420949 is 9490241.

1420949 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792100 + 628849 = 890^2 + 793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420949 - 2⁴ = 1420933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710474 + 710475.

It is an arithmetic number, because the mean of its divisors is an integer number (710475).

2^1420949 is an apocalyptic number.

It is an amenable number.

1420949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420949 is an equidigital number, since it uses as much as digits as its factorization.

1420949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1420949 is about 1192.0356538292. The cubic root of 1420949 is about 112.4241200247.

The spelling of 1420949 in words is "one million, four hundred twenty thousand, nine hundred forty-nine".