1121260402487 has 2 divisors, whose sum is σ = 1121260402488. Its totient is φ = 1121260402486.

The previous prime is 1121260402469. The next prime is 1121260402499. The reversal of 1121260402487 is 7842040621211.

It is a strong prime.

It is an emirp because it is prime and its reverse (7842040621211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1121260402487 - 2¹⁰ = 1121260401463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1121260402487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121260422487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560630201243 + 560630201244.

It is an arithmetic number, because the mean of its divisors is an integer number (560630201244).

Almost surely, 2^{1121260402487} is an apocalyptic number.

1121260402487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121260402487 is an equidigital number, since it uses as much as digits as its factorization.

1121260402487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 1121260402487 in words is "one trillion, one hundred twenty-one billion, two hundred sixty million, four hundred two thousand, four hundred eighty-seven".