1187012 has 6 divisors (see below), whose sum is σ = 2077278. Its totient is φ = 593504.

The previous prime is 1187009. The next prime is 1187023. The reversal of 1187012 is 2107811.

It can be written as a sum of positive squares in only one way, i.e., 732736 + 454276 = 856^2 + 674^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 148373 + ... + 148380.

It is an arithmetic number, because the mean of its divisors is an integer number (346213).

2^1187012 is an apocalyptic number.

It is an amenable number.

1187012 is a deficient number, since it is larger than the sum of its proper divisors (890266).

1187012 is a wasteful number, since it uses less digits than its factorization.

1187012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296757 (or 296755 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1187012 is about 1089.5008031204. The cubic root of 1187012 is about 105.8810817809.

The spelling of 1187012 in words is "one million, one hundred eighty-seven thousand, twelve".