2148907 has 2 divisors, whose sum is σ = 2148908. Its totient is φ = 2148906.

The previous prime is 2148899. The next prime is 2148947. The reversal of 2148907 is 7098412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2148907 - 2³ = 2148899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2148947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074453 + 1074454.

It is an arithmetic number, because the mean of its divisors is an integer number (1074454).

2^2148907 is an apocalyptic number.

2148907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2148907 is an equidigital number, since it uses as much as digits as its factorization.

2148907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2148907 is about 1465.9150725741. The cubic root of 2148907 is about 129.0444131271.

The spelling of 2148907 in words is "two million, one hundred forty-eight thousand, nine hundred seven".