1151061 has 8 divisors (see below), whose sum is σ = 1584384. Its totient is φ = 742560.

The previous prime is 1151057. The next prime is 1151063. The reversal of 1151061 is 1601511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1151061 - 2² = 1151057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1151061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (198048).

2^1151061 is an apocalyptic number.

It is an amenable number.

1151061 is a deficient number, since it is larger than the sum of its proper divisors (433323).

1151061 is a wasteful number, since it uses less digits than its factorization.

1151061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 1151061 is about 1072.8751092275. The cubic root of 1151061 is about 104.8011656631.

Adding to 1151061 its reverse (1601511), we get a palindrome (2752572).

It can be divided in two parts, 115 and 1061, that added together give a triangular number (1176 = T₄₈).

The spelling of 1151061 in words is "one million, one hundred fifty-one thousand, sixty-one".