771342101 has 2 divisors, whose sum is σ = 771342102. Its totient is φ = 771342100.

The previous prime is 771342079. The next prime is 771342119. The reversal of 771342101 is 101243177.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589227076 + 182115025 = 24274^2 + 13495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-771342101 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (771342701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385671050 + 385671051.

It is an arithmetic number, because the mean of its divisors is an integer number (385671051).

Almost surely, 2^771342101 is an apocalyptic number.

It is an amenable number.

771342101 is a deficient number, since it is larger than the sum of its proper divisors (1).

771342101 is an equidigital number, since it uses as much as digits as its factorization.

771342101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 771342101 is about 27773.0463039257. The cubic root of 771342101 is about 917.0978574086.

Adding to 771342101 its reverse (101243177), we get a palindrome (872585278).

The spelling of 771342101 in words is "seven hundred seventy-one million, three hundred forty-two thousand, one hundred one".