2147121703 has 2 divisors, whose sum is σ = 2147121704. Its totient is φ = 2147121702.

The previous prime is 2147121679. The next prime is 2147121763. The reversal of 2147121703 is 3071217412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2147121703 - 2⁵ = 2147121671 is a prime.

It is a super-2 number, since 2×2147121703² = 9220263214987240418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2147121763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073560851 + 1073560852.

It is an arithmetic number, because the mean of its divisors is an integer number (1073560852).

Almost surely, 2^2147121703 is an apocalyptic number.

2147121703 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147121703 is an equidigital number, since it uses as much as digits as its factorization.

2147121703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 2147121703 is about 46337.0446079592. The cubic root of 2147121703 is about 1290.0866682552.

The spelling of 2147121703 in words is "two billion, one hundred forty-seven million, one hundred twenty-one thousand, seven hundred three".