101231077 has 2 divisors, whose sum is σ = 101231078. Its totient is φ = 101231076.

The previous prime is 101231057. The next prime is 101231099. The reversal of 101231077 is 770132101.

It is an a-pointer prime, because the next prime (101231099) can be obtained adding 101231077 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72437121 + 28793956 = 8511^2 + 5366^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231077 - 2⁷ = 101230949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101231057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615538 + 50615539.

It is an arithmetic number, because the mean of its divisors is an integer number (50615539).

Almost surely, 2^101231077 is an apocalyptic number.

It is an amenable number.

101231077 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231077 is an equidigital number, since it uses as much as digits as its factorization.

101231077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 101231077 is about 10061.3655633815. The cubic root of 101231077 is about 466.0558379553.

Adding to 101231077 its reverse (770132101), we get a palindrome (871363178).

The spelling of 101231077 in words is "one hundred one million, two hundred thirty-one thousand, seventy-seven".