1148977 has 2 divisors, whose sum is σ = 1148978. Its totient is φ = 1148976.

The previous prime is 1148971. The next prime is 1148981. The reversal of 1148977 is 7798411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1147041 + 1936 = 1071^2 + 44^2 .

It is an emirp because it is prime and its reverse (7798411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1148977 - 2¹⁵ = 1116209 is a prime.

1148977 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1148971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 574488 + 574489.

It is an arithmetic number, because the mean of its divisors is an integer number (574489).

2^1148977 is an apocalyptic number.

It is an amenable number.

1148977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1148977 is an equidigital number, since it uses as much as digits as its factorization.

1148977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 37.

The square root of 1148977 is about 1071.9034471444. The cubic root of 1148977 is about 104.7378798279.

The spelling of 1148977 in words is "one million, one hundred forty-eight thousand, nine hundred seventy-seven".