1202301491 has 2 divisors, whose sum is σ = 1202301492. Its totient is φ = 1202301490.

The previous prime is 1202301481. The next prime is 1202301511. The reversal of 1202301491 is 1941032021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202301491 - 2¹⁸ = 1202039347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1202301461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601150745 + 601150746.

It is an arithmetic number, because the mean of its divisors is an integer number (601150746).

Almost surely, 2^1202301491 is an apocalyptic number.

1202301491 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202301491 is an equidigital number, since it uses as much as digits as its factorization.

1202301491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1202301491 is about 34674.2194000096. The cubic root of 1202301491 is about 1063.3374961976.

The spelling of 1202301491 in words is "one billion, two hundred two million, three hundred one thousand, four hundred ninety-one".