1146061231 has 8 divisors (see below), whose sum is σ = 1315004544. Its totient is φ = 978423000.

The previous prime is 1146061193. The next prime is 1146061249. The reversal of 1146061231 is 1321606411.

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 1146061231 - 2⁹ = 1146060719 is a prime.

It is a super-2 number, since 2×1146061231² = 2626912690402470722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1146061196 and 1146061205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1146061031) 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, 324385 + ... + 327898.

It is an arithmetic number, because the mean of its divisors is an integer number (164375568).

Almost surely, 2^1146061231 is an apocalyptic number.

1146061231 is a deficient number, since it is larger than the sum of its proper divisors (168943313).

1146061231 is an equidigital number, since it uses as much as digits as its factorization.

1146061231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652541.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1146061231 is about 33853.5261235813. The cubic root of 1146061231 is about 1046.4920669829.

Adding to 1146061231 its reverse (1321606411), we get a palindrome (2467667642).

The spelling of 1146061231 in words is "one billion, one hundred forty-six million, sixty-one thousand, two hundred thirty-one".