1208949701 has 2 divisors, whose sum is σ = 1208949702. Its totient is φ = 1208949700.

The previous prime is 1208949691. The next prime is 1208949733. The reversal of 1208949701 is 1079498021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151584225 + 57365476 = 33935^2 + 7574^2 .

It is a cyclic number.

It is not a de Polignac number, because 1208949701 - 2¹⁴ = 1208933317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1208949751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 604474850 + 604474851.

It is an arithmetic number, because the mean of its divisors is an integer number (604474851).

Almost surely, 2^1208949701 is an apocalyptic number.

It is an amenable number.

1208949701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1208949701 is an equidigital number, since it uses as much as digits as its factorization.

1208949701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 1208949701 is about 34769.9539976687. The cubic root of 1208949701 is about 1065.2938276900.

The spelling of 1208949701 in words is "one billion, two hundred eight million, nine hundred forty-nine thousand, seven hundred one".