1226101201937 has 2 divisors, whose sum is σ = 1226101201938. Its totient is φ = 1226101201936.

The previous prime is 1226101201889. The next prime is 1226101201973. The reversal of 1226101201937 is 7391021016221.

Together with next prime (1226101201973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 748079687056 + 478021514881 = 864916^2 + 691391^2 .

It is a cyclic number.

It is not a de Polignac number, because 1226101201937 - 2¹⁴ = 1226101185553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1226101201897 and 1226101201906.

It is not a weakly prime, because it can be changed into another prime (1226101201337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 613050600968 + 613050600969.

It is an arithmetic number, because the mean of its divisors is an integer number (613050600969).

Almost surely, 2^{1226101201937} is an apocalyptic number.

It is an amenable number.

1226101201937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1226101201937 is an equidigital number, since it uses as much as digits as its factorization.

1226101201937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 1226101201937 in words is "one trillion, two hundred twenty-six billion, one hundred one million, two hundred one thousand, nine hundred thirty-seven".