1198862801 has 2 divisors, whose sum is σ = 1198862802. Its totient is φ = 1198862800.

The previous prime is 1198862759. The next prime is 1198862803. The reversal of 1198862801 is 1082688911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046587201 + 152275600 = 32351^2 + 12340^2 .

It is a cyclic number.

It is not a de Polignac number, because 1198862801 - 2⁶ = 1198862737 is a prime.

Together with 1198862803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1198862803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599431400 + 599431401.

It is an arithmetic number, because the mean of its divisors is an integer number (599431401).

Almost surely, 2^1198862801 is an apocalyptic number.

It is an amenable number.

1198862801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198862801 is an equidigital number, since it uses as much as digits as its factorization.

1198862801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 44.

The square root of 1198862801 is about 34624.5982070551. The cubic root of 1198862801 is about 1062.3227813492.

The spelling of 1198862801 in words is "one billion, one hundred ninety-eight million, eight hundred sixty-two thousand, eight hundred one".