1187507 has 2 divisors, whose sum is σ = 1187508. Its totient is φ = 1187506.

The previous prime is 1187489. The next prime is 1187509. The reversal of 1187507 is 7057811.

It is a strong prime.

It is an emirp because it is prime and its reverse (7057811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1187507 - 2¹² = 1183411 is a prime.

Together with 1187509, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1187507.

It is not a weakly prime, because it can be changed into another prime (1187509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 593753 + 593754.

It is an arithmetic number, because the mean of its divisors is an integer number (593754).

2^1187507 is an apocalyptic number.

1187507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1187507 is an equidigital number, since it uses as much as digits as its factorization.

1187507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1960, while the sum is 29.

The square root of 1187507 is about 1089.7279477007. The cubic root of 1187507 is about 105.8957976815.

The spelling of 1187507 in words is "one million, one hundred eighty-seven thousand, five hundred seven".