1230131 has 8 divisors (see below), whose sum is σ = 1436160. Its totient is φ = 1031688.

The previous prime is 1230127. The next prime is 1230167. The reversal of 1230131 is 1310321.

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

It is not a de Polignac number, because 1230131 - 2² = 1230127 is a prime.

It is a super-2 number, since 2×1230131² = 3026444554322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230181) 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, 1541 + ... + 2198.

It is an arithmetic number, because the mean of its divisors is an integer number (179520).

2^1230131 is an apocalyptic number.

1230131 is a deficient number, since it is larger than the sum of its proper divisors (206029).

1230131 is an equidigital number, since it uses as much as digits as its factorization.

1230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 1230131 is about 1109.1127084296. The cubic root of 1230131 is about 107.1479305957.

Adding to 1230131 its reverse (1310321), we get a palindrome (2540452).

The spelling of 1230131 in words is "one million, two hundred thirty thousand, one hundred thirty-one".