1229801701 has 2 divisors, whose sum is σ = 1229801702. Its totient is φ = 1229801700.

The previous prime is 1229801693. The next prime is 1229801719. The reversal of 1229801701 is 1071089221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228853025 + 948676 = 35055^2 + 974^2 .

It is a cyclic number.

It is not a de Polignac number, because 1229801701 - 2³ = 1229801693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1229801731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614900850 + 614900851.

It is an arithmetic number, because the mean of its divisors is an integer number (614900851).

Almost surely, 2^1229801701 is an apocalyptic number.

It is an amenable number.

1229801701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229801701 is an equidigital number, since it uses as much as digits as its factorization.

1229801701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 1229801701 is about 35068.5286403636. The cubic root of 1229801701 is about 1071.3836878070.

The spelling of 1229801701 in words is "one billion, two hundred twenty-nine million, eight hundred one thousand, seven hundred one".