1201401287 has 2 divisors, whose sum is σ = 1201401288. Its totient is φ = 1201401286.

The previous prime is 1201401119. The next prime is 1201401307. The reversal of 1201401287 is 7821041021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1201401287 - 2⁸ = 1201401031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1201401587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600700643 + 600700644.

It is an arithmetic number, because the mean of its divisors is an integer number (600700644).

Almost surely, 2^1201401287 is an apocalyptic number.

1201401287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201401287 is an equidigital number, since it uses as much as digits as its factorization.

1201401287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 1201401287 is about 34661.2360858640. The cubic root of 1201401287 is about 1063.0720442913.

The spelling of 1201401287 in words is "one billion, two hundred one million, four hundred one thousand, two hundred eighty-seven".