1421120016937 has 2 divisors, whose sum is σ = 1421120016938. Its totient is φ = 1421120016936.

The previous prime is 1421120016931. The next prime is 1421120016941. The reversal of 1421120016937 is 7396100211241.

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., 1149406986816 + 271713030121 = 1072104^2 + 521261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1421120016937 - 2¹⁵ = 1421119984169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1421120016896 and 1421120016905.

It is not a weakly prime, because it can be changed into another prime (1421120016931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710560008468 + 710560008469.

It is an arithmetic number, because the mean of its divisors is an integer number (710560008469).

Almost surely, 2^{1421120016937} is an apocalyptic number.

It is an amenable number.

1421120016937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421120016937 is an equidigital number, since it uses as much as digits as its factorization.

1421120016937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 1421120016937 in words is "one trillion, four hundred twenty-one billion, one hundred twenty million, sixteen thousand, nine hundred thirty-seven".