121457826037 has 2 divisors, whose sum is σ = 121457826038. Its totient is φ = 121457826036.

The previous prime is 121457826011. The next prime is 121457826067. The reversal of 121457826037 is 730628754121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95727741201 + 25730084836 = 309399^2 + 160406^2 .

It is a cyclic number.

It is not a de Polignac number, because 121457826037 - 2³⁵ = 87098087669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121457826067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60728913018 + 60728913019.

It is an arithmetic number, because the mean of its divisors is an integer number (60728913019).

Almost surely, 2^121457826037 is an apocalyptic number.

It is an amenable number.

121457826037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121457826037 is an equidigital number, since it uses as much as digits as its factorization.

121457826037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 121457826037 in words is "one hundred twenty-one billion, four hundred fifty-seven million, eight hundred twenty-six thousand, thirty-seven".