1154131 has 8 divisors (see below), whose sum is σ = 1267200. Its totient is φ = 1042440.

The previous prime is 1154129. The next prime is 1154159. The reversal of 1154131 is 1314511.

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

It is a cyclic number.

It is not a de Polignac number, because 1154131 - 2¹ = 1154129 is a prime.

It is a super-2 number, since 2×1154131² = 2664036730322, which contains 22 as substring.

1154131 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1154431) 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, 2410 + ... + 2848.

It is an arithmetic number, because the mean of its divisors is an integer number (158400).

2^1154131 is an apocalyptic number.

1154131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1154131 is a deficient number, since it is larger than the sum of its proper divisors (113069).

1154131 is a wasteful number, since it uses less digits than its factorization.

1154131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its digits is 60, while the sum is 16.

The square root of 1154131 is about 1074.3048915462. The cubic root of 1154131 is about 104.8942548402.

Adding to 1154131 its reverse (1314511), we get a palindrome (2468642).

The spelling of 1154131 in words is "one million, one hundred fifty-four thousand, one hundred thirty-one".