101231029 has 2 divisors, whose sum is σ = 101231030. Its totient is φ = 101231028.

The previous prime is 101231021. The next prime is 101231041. The reversal of 101231029 is 920132101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94128804 + 7102225 = 9702^2 + 2665^2 .

It is a cyclic number.

It is not a de Polignac number, because 101231029 - 2³ = 101231021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101230997 and 101231015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101231021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50615514 + 50615515.

It is an arithmetic number, because the mean of its divisors is an integer number (50615515).

Almost surely, 2^101231029 is an apocalyptic number.

It is an amenable number.

101231029 is a deficient number, since it is larger than the sum of its proper divisors (1).

101231029 is an equidigital number, since it uses as much as digits as its factorization.

101231029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101231029 is about 10061.3631780192. The cubic root of 101231029 is about 466.0557642931.

It can be divided in two parts, 1012 and 31029, that added together give a square (32041 = 179²).

The spelling of 101231029 in words is "one hundred one million, two hundred thirty-one thousand, twenty-nine".