1180988 has 6 divisors (see below), whose sum is σ = 2066736. Its totient is φ = 590492.

The previous prime is 1180987. The next prime is 1180997. The reversal of 1180988 is 8890811.

It is a super-2 number, since 2×1180988² = 2789465312288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147620 + ... + 147627.

It is an arithmetic number, because the mean of its divisors is an integer number (344456).

2^1180988 is an apocalyptic number.

It is an amenable number.

1180988 is a deficient number, since it is larger than the sum of its proper divisors (885748).

1180988 is a wasteful number, since it uses less digits than its factorization.

1180988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295251 (or 295249 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 1180988 is about 1086.7327178290. The cubic root of 1180988 is about 105.7016649861.

It can be divided in two parts, 118098 and 8, that multiplied together give a square (944784 = 972²).

The spelling of 1180988 in words is "one million, one hundred eighty thousand, nine hundred eighty-eight".