1201846631 has 2 divisors, whose sum is σ = 1201846632. Its totient is φ = 1201846630.

The previous prime is 1201846627. The next prime is 1201846651. The reversal of 1201846631 is 1366481021.

It is a weak prime.

It is an emirp because it is prime and its reverse (1366481021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1201846631 - 2² = 1201846627 is a prime.

It is a super-2 number, since 2×1201846631² = 2888870648892100322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201846651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600923315 + 600923316.

It is an arithmetic number, because the mean of its divisors is an integer number (600923316).

Almost surely, 2^1201846631 is an apocalyptic number.

1201846631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201846631 is an equidigital number, since it uses as much as digits as its factorization.

1201846631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1201846631 is about 34667.6597277636. The cubic root of 1201846631 is about 1063.2033837739.

The spelling of 1201846631 in words is "one billion, two hundred one million, eight hundred forty-six thousand, six hundred thirty-one".