1202431201 has 2 divisors, whose sum is σ = 1202431202. Its totient is φ = 1202431200.

The previous prime is 1202431189. The next prime is 1202431249. The reversal of 1202431201 is 1021342021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796368400 + 406062801 = 28220^2 + 20151^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202431201 - 2⁷ = 1202431073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202431261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601215600 + 601215601.

It is an arithmetic number, because the mean of its divisors is an integer number (601215601).

Almost surely, 2^1202431201 is an apocalyptic number.

It is an amenable number.

1202431201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202431201 is an equidigital number, since it uses as much as digits as its factorization.

1202431201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1202431201 is about 34676.0897593717. The cubic root of 1202431201 is about 1063.3757341238.

Adding to 1202431201 its reverse (1021342021), we get a palindrome (2223773222).

The spelling of 1202431201 in words is "one billion, two hundred two million, four hundred thirty-one thousand, two hundred one".