2620129 has 2 divisors, whose sum is σ = 2620130. Its totient is φ = 2620128.

The previous prime is 2620099. The next prime is 2620139. The reversal of 2620129 is 9210262.

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., 2016400 + 603729 = 1420^2 + 777^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620129 - 2⁵ = 2620097 is a prime.

It is not a weakly prime, because it can be changed into another prime (2620139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310064 + 1310065.

It is an arithmetic number, because the mean of its divisors is an integer number (1310065).

2^2620129 is an apocalyptic number.

It is an amenable number.

2620129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620129 is an equidigital number, since it uses as much as digits as its factorization.

2620129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2620129 is about 1618.6812533665. The cubic root of 2620129 is about 137.8608307833.

The spelling of 2620129 in words is "two million, six hundred twenty thousand, one hundred twenty-nine".