1151146 has 4 divisors (see below), whose sum is σ = 1726722. Its totient is φ = 575572.

The previous prime is 1151141. The next prime is 1151147. The reversal of 1151146 is 6411511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6411511 = 1427 ⋅4493.

It can be written as a sum of positive squares in only one way, i.e., 912025 + 239121 = 955^2 + 489^2 .

It is a super-2 number, since 2×1151146² = 2650274226632, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1151141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287785 + ... + 287788.

2^1151146 is an apocalyptic number.

1151146 is a deficient number, since it is larger than the sum of its proper divisors (575576).

1151146 is an equidigital number, since it uses as much as digits as its factorization.

1151146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575575.

The product of its digits is 120, while the sum is 19.

The square root of 1151146 is about 1072.9147216811. The cubic root of 1151146 is about 104.8037452773.

Adding to 1151146 its reverse (6411511), we get a palindrome (7562657).

The spelling of 1151146 in words is "one million, one hundred fifty-one thousand, one hundred forty-six".