1151487 has 12 divisors (see below), whose sum is σ = 1681680. Its totient is φ = 759168.

The previous prime is 1151483. The next prime is 1151519. The reversal of 1151487 is 7841511.

It is not a de Polignac number, because 1151487 - 2² = 1151483 is a prime.

It is a super-2 number, since 2×1151487² = 2651844622338, which contains 22 as substring.

1151487 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214 + ... + 1532.

It is an arithmetic number, because the mean of its divisors is an integer number (140140).

2^1151487 is an apocalyptic number.

1151487 is a deficient number, since it is larger than the sum of its proper divisors (530193).

1151487 is a wasteful number, since it uses less digits than its factorization.

1151487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422 (or 1419 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 1151487 is about 1073.0736228237. The cubic root of 1151487 is about 104.8140928060.

Adding to 1151487 its reverse (7841511), we get a palindrome (8992998).

The spelling of 1151487 in words is "one million, one hundred fifty-one thousand, four hundred eighty-seven".