1150000121687 has 2 divisors, whose sum is σ = 1150000121688. Its totient is φ = 1150000121686.

The previous prime is 1150000121639. The next prime is 1150000121713. The reversal of 1150000121687 is 7861210000511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1150000121687 - 2³⁴ = 1132820252503 is a prime.

It is a super-2 number, since 2×1150000121687² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150000121587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575000060843 + 575000060844.

It is an arithmetic number, because the mean of its divisors is an integer number (575000060844).

Almost surely, 2^{1150000121687} is an apocalyptic number.

1150000121687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150000121687 is an equidigital number, since it uses as much as digits as its factorization.

1150000121687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 32.

The spelling of 1150000121687 in words is "one trillion, one hundred fifty billion, one hundred twenty-one thousand, six hundred eighty-seven".