141212857 has 2 divisors, whose sum is σ = 141212858. Its totient is φ = 141212856.

The previous prime is 141212849. The next prime is 141212867. The reversal of 141212857 is 758212141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71723961 + 69488896 = 8469^2 + 8336^2 .

It is an emirp because it is prime and its reverse (758212141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141212857 - 2³ = 141212849 is a prime.

It is not a weakly prime, because it can be changed into another prime (141212837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70606428 + 70606429.

It is an arithmetic number, because the mean of its divisors is an integer number (70606429).

Almost surely, 2^141212857 is an apocalyptic number.

It is an amenable number.

141212857 is a deficient number, since it is larger than the sum of its proper divisors (1).

141212857 is an equidigital number, since it uses as much as digits as its factorization.

141212857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 141212857 is about 11883.3016035107. The cubic root of 141212857 is about 520.7445657757.

Adding to 141212857 its reverse (758212141), we get a palindrome (899424998).

The spelling of 141212857 in words is "one hundred forty-one million, two hundred twelve thousand, eight hundred fifty-seven".