1202271401 has 2 divisors, whose sum is σ = 1202271402. Its totient is φ = 1202271400.

The previous prime is 1202271359. The next prime is 1202271409. The reversal of 1202271401 is 1041722021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 833823376 + 368448025 = 28876^2 + 19195^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202271401 - 2⁶ = 1202271337 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202271409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601135700 + 601135701.

It is an arithmetic number, because the mean of its divisors is an integer number (601135701).

Almost surely, 2^1202271401 is an apocalyptic number.

It is an amenable number.

1202271401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202271401 is an equidigital number, since it uses as much as digits as its factorization.

1202271401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1202271401 is about 34673.7855014419. The cubic root of 1202271401 is about 1063.3286254076.

Adding to 1202271401 its reverse (1041722021), we get a palindrome (2243993422).

The spelling of 1202271401 in words is "one billion, two hundred two million, two hundred seventy-one thousand, four hundred one".