1240131 has 8 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 824072.

The previous prime is 1240117. The next prime is 1240139. The reversal of 1240131 is 1310421.

It is a happy number.

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 1240131 - 2⁹ = 1239619 is a prime.

It is a super-2 number, since 2×1240131² = 3075849794322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240139) 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, 1006 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (207360).

2^1240131 is an apocalyptic number.

1240131 is a deficient number, since it is larger than the sum of its proper divisors (418749).

1240131 is an equidigital number, since it uses as much as digits as its factorization.

1240131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1240131 is about 1113.6116917490. The cubic root of 1240131 is about 107.4374902494.

Adding to 1240131 its reverse (1310421), we get a palindrome (2550552).

The spelling of 1240131 in words is "one million, two hundred forty thousand, one hundred thirty-one".