1201954241 has 2 divisors, whose sum is σ = 1201954242. Its totient is φ = 1201954240.

The previous prime is 1201954207. The next prime is 1201954249. The reversal of 1201954241 is 1424591021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067394241 + 134560000 = 32671^2 + 11600^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201954241 - 2¹⁰ = 1201953217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201954249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600977120 + 600977121.

It is an arithmetic number, because the mean of its divisors is an integer number (600977121).

Almost surely, 2^1201954241 is an apocalyptic number.

It is an amenable number.

1201954241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201954241 is an equidigital number, since it uses as much as digits as its factorization.

1201954241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1201954241 is about 34669.2117158726. The cubic root of 1201954241 is about 1063.2351149168.

The spelling of 1201954241 in words is "one billion, two hundred one million, nine hundred fifty-four thousand, two hundred forty-one".