30032129 has 2 divisors, whose sum is σ = 30032130. Its totient is φ = 30032128.

The previous prime is 30032113. The next prime is 30032137. The reversal of 30032129 is 92123003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29953729 + 78400 = 5473^2 + 280^2 .

It is a cyclic number.

It is not a de Polignac number, because 30032129 - 2⁴ = 30032113 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30032129.

It is not a weakly prime, because it can be changed into another prime (30032159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15016064 + 15016065.

It is an arithmetic number, because the mean of its divisors is an integer number (15016065).

Almost surely, 2^30032129 is an apocalyptic number.

It is an amenable number.

30032129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30032129 is an equidigital number, since it uses as much as digits as its factorization.

30032129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 30032129 is about 5480.1577532038. The cubic root of 30032129 is about 310.8341357680.

The spelling of 30032129 in words is "thirty million, thirty-two thousand, one hundred twenty-nine".