1154156 has 6 divisors (see below), whose sum is σ = 2019780. Its totient is φ = 577076.

The previous prime is 1154129. The next prime is 1154159. The reversal of 1154156 is 6514511.

It is not an unprimeable number, because it can be changed into a prime (1154159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144266 + ... + 144273.

It is an arithmetic number, because the mean of its divisors is an integer number (336630).

2^1154156 is an apocalyptic number.

It is an amenable number.

1154156 is a deficient number, since it is larger than the sum of its proper divisors (865624).

1154156 is a wasteful number, since it uses less digits than its factorization.

1154156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288543 (or 288541 counting only the distinct ones).

The product of its digits is 600, while the sum is 23.

The square root of 1154156 is about 1074.3165269137. The cubic root of 1154156 is about 104.8950122174.

Adding to 1154156 its reverse (6514511), we get a palindrome (7668667).

The spelling of 1154156 in words is "one million, one hundred fifty-four thousand, one hundred fifty-six".