101542229 has 2 divisors, whose sum is σ = 101542230. Its totient is φ = 101542228.

The previous prime is 101542211. The next prime is 101542249. The reversal of 101542229 is 922245101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92602129 + 8940100 = 9623^2 + 2990^2 .

It is a cyclic number.

It is not a de Polignac number, because 101542229 - 2¹⁶ = 101476693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101542198 and 101542207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101542249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50771114 + 50771115.

It is an arithmetic number, because the mean of its divisors is an integer number (50771115).

Almost surely, 2^101542229 is an apocalyptic number.

It is an amenable number.

101542229 is a deficient number, since it is larger than the sum of its proper divisors (1).

101542229 is an equidigital number, since it uses as much as digits as its factorization.

101542229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 101542229 is about 10076.8164119428. The cubic root of 101542229 is about 466.5328518255.

The spelling of 101542229 in words is "one hundred one million, five hundred forty-two thousand, two hundred twenty-nine".