121671502703 has 2 divisors, whose sum is σ = 121671502704. Its totient is φ = 121671502702.

The previous prime is 121671502669. The next prime is 121671502721. The reversal of 121671502703 is 307205176121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121671502703 - 2⁶ = 121671502639 is a prime.

It is a super-2 number, since 2×121671502703² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121671202703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60835751351 + 60835751352.

It is an arithmetic number, because the mean of its divisors is an integer number (60835751352).

Almost surely, 2^121671502703 is an apocalyptic number.

121671502703 is a deficient number, since it is larger than the sum of its proper divisors (1).

121671502703 is an equidigital number, since it uses as much as digits as its factorization.

121671502703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

Adding to 121671502703 its reverse (307205176121), we get a palindrome (428876678824).

The spelling of 121671502703 in words is "one hundred twenty-one billion, six hundred seventy-one million, five hundred two thousand, seven hundred three".