1224210131 has 8 divisors (see below), whose sum is σ = 1255297680. Its totient is φ = 1193499648.

The previous prime is 1224210079. The next prime is 1224210133. The reversal of 1224210131 is 1310124221.

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 1224210131 - 2⁶ = 1224210067 is a prime.

It is a super-2 number, since 2×1224210131² = 2997380889686074322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224210133) 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, 87686 + ... + 100683.

It is an arithmetic number, because the mean of its divisors is an integer number (156912210).

Almost surely, 2^1224210131 is an apocalyptic number.

1224210131 is a deficient number, since it is larger than the sum of its proper divisors (31087549).

1224210131 is an equidigital number, since it uses as much as digits as its factorization.

1224210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188533.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1224210131 is about 34988.7143376261. The cubic root of 1224210131 is about 1069.7574583461.

Adding to 1224210131 its reverse (1310124221), we get a palindrome (2534334352).

The spelling of 1224210131 in words is "one billion, two hundred twenty-four million, two hundred ten thousand, one hundred thirty-one".