121586490037 has 2 divisors, whose sum is σ = 121586490038. Its totient is φ = 121586490036.

The previous prime is 121586489923. The next prime is 121586490049. The reversal of 121586490037 is 730094685121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118587941956 + 2998548081 = 344366^2 + 54759^2 .

It is a cyclic number.

It is not a de Polignac number, because 121586490037 - 2²⁷ = 121452272309 is a prime.

It is a super-2 number, since 2×121586490037² (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 (121586493037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60793245018 + 60793245019.

It is an arithmetic number, because the mean of its divisors is an integer number (60793245019).

It is a 1-persistent number, because it is pandigital, but 2⋅121586490037 = 243172980074 is not.

Almost surely, 2^121586490037 is an apocalyptic number.

It is an amenable number.

121586490037 is a deficient number, since it is larger than the sum of its proper divisors (1).

121586490037 is an equidigital number, since it uses as much as digits as its factorization.

121586490037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 121586490037 in words is "one hundred twenty-one billion, five hundred eighty-six million, four hundred ninety thousand, thirty-seven".