1202122601 has 2 divisors, whose sum is σ = 1202122602. Its totient is φ = 1202122600.

The previous prime is 1202122591. The next prime is 1202122633. The reversal of 1202122601 is 1062212021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 819333376 + 382789225 = 28624^2 + 19565^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202122601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202122601.

It is not a weakly prime, because it can be changed into another prime (1202125601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601061300 + 601061301.

It is an arithmetic number, because the mean of its divisors is an integer number (601061301).

Almost surely, 2^1202122601 is an apocalyptic number.

It is an amenable number.

1202122601 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202122601 is an equidigital number, since it uses as much as digits as its factorization.

1202122601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1202122601 is about 34671.6397218245. The cubic root of 1202122601 is about 1063.2847557158.

Adding to 1202122601 its reverse (1062212021), we get a palindrome (2264334622).

The spelling of 1202122601 in words is "one billion, two hundred two million, one hundred twenty-two thousand, six hundred one".