1198877 has 2 divisors, whose sum is σ = 1198878. Its totient is φ = 1198876.

The previous prime is 1198867. The next prime is 1198903. The reversal of 1198877 is 7788911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 942841 + 256036 = 971^2 + 506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1198877 - 2⁴ = 1198861 is a prime.

It is a super-2 number, since 2×1198877² = 2874612122258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1198867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599438 + 599439.

It is an arithmetic number, because the mean of its divisors is an integer number (599439).

2^1198877 is an apocalyptic number.

It is an amenable number.

1198877 is a deficient number, since it is larger than the sum of its proper divisors (1).

1198877 is an equidigital number, since it uses as much as digits as its factorization.

1198877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224, while the sum is 41.

The square root of 1198877 is about 1094.9324180058. The cubic root of 1198877 is about 106.2326975285.

The spelling of 1198877 in words is "one million, one hundred ninety-eight thousand, eight hundred seventy-seven".