1102121029 has 2 divisors, whose sum is σ = 1102121030. Its totient is φ = 1102121028.

The previous prime is 1102120967. The next prime is 1102121039. The reversal of 1102121029 is 9201212011.

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., 1097596900 + 4524129 = 33130^2 + 2127^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102121029 - 2¹⁵ = 1102088261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1102120997 and 1102121015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1102121039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551060514 + 551060515.

It is an arithmetic number, because the mean of its divisors is an integer number (551060515).

Almost surely, 2^1102121029 is an apocalyptic number.

It is an amenable number.

1102121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102121029 is an equidigital number, since it uses as much as digits as its factorization.

1102121029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 1102121029 is about 33198.2082197217. The cubic root of 1102121029 is about 1032.9431731226.

The spelling of 1102121029 in words is "one billion, one hundred two million, one hundred twenty-one thousand, twenty-nine".