1420200949 has 2 divisors, whose sum is σ = 1420200950. Its totient is φ = 1420200948.

The previous prime is 1420200931. The next prime is 1420200967. The reversal of 1420200949 is 9490020241.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1420200931) and next prime (1420200967).

It can be written as a sum of positive squares in only one way, i.e., 1368260100 + 51940849 = 36990^2 + 7207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1420200949 - 2²³ = 1411812341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1420200949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420200449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710100474 + 710100475.

It is an arithmetic number, because the mean of its divisors is an integer number (710100475).

Almost surely, 2^1420200949 is an apocalyptic number.

It is an amenable number.

1420200949 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420200949 is an equidigital number, since it uses as much as digits as its factorization.

1420200949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1420200949 is about 37685.5535848951. The cubic root of 1420200949 is about 1124.0438820290.

The spelling of 1420200949 in words is "one billion, four hundred twenty million, two hundred thousand, nine hundred forty-nine".