1401214249 has 2 divisors, whose sum is σ = 1401214250. Its totient is φ = 1401214248.

The previous prime is 1401214201. The next prime is 1401214259. The reversal of 1401214249 is 9424121041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792704025 + 608510224 = 28155^2 + 24668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1401214249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1401214259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700607124 + 700607125.

It is an arithmetic number, because the mean of its divisors is an integer number (700607125).

Almost surely, 2^1401214249 is an apocalyptic number.

It is an amenable number.

1401214249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401214249 is an equidigital number, since it uses as much as digits as its factorization.

1401214249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1401214249 is about 37432.7964357460. The cubic root of 1401214249 is about 1119.0122693207.

The spelling of 1401214249 in words is "one billion, four hundred one million, two hundred fourteen thousand, two hundred forty-nine".