1187298 has 48 divisors (see below), whose sum is σ = 3057600. Its totient is φ = 338256.

The previous prime is 1187287. The next prime is 1187309. The reversal of 1187298 is 8927811.

It is an interprime number because it is at equal distance from previous prime (1187287) and next prime (1187309).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3228 + ... + 3576.

It is an arithmetic number, because the mean of its divisors is an integer number (63700).

2^1187298 is an apocalyptic number.

1187298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1187298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1528800).

1187298 is an abundant number, since it is smaller than the sum of its proper divisors (1870302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1187298 is an equidigital number, since it uses as much as digits as its factorization.

1187298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 361 counting only the distinct ones).

The product of its digits is 8064, while the sum is 36.

The square root of 1187298 is about 1089.6320479868. The cubic root of 1187298 is about 105.8895848002.

It can be divided in two parts, 1187 and 298, that added together give a triangular number (1485 = T₅₄).

The spelling of 1187298 in words is "one million, one hundred eighty-seven thousand, two hundred ninety-eight".