1226349131 has 8 divisors (see below), whose sum is σ = 1403768064. Its totient is φ = 1049486760.

The previous prime is 1226349109. The next prime is 1226349143. The reversal of 1226349131 is 1319436221.

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

It is not a de Polignac number, because 1226349131 - 2¹⁰ = 1226348107 is a prime.

It is a super-2 number, since 2×1226349131² = 3007864382208910322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226349101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134405 + ... + 143238.

It is an arithmetic number, because the mean of its divisors is an integer number (175471008).

Almost surely, 2^1226349131 is an apocalyptic number.

1226349131 is a deficient number, since it is larger than the sum of its proper divisors (177418933).

1226349131 is an equidigital number, since it uses as much as digits as its factorization.

1226349131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278281.

The product of its digits is 7776, while the sum is 32.

The square root of 1226349131 is about 35019.2679963474. The cubic root of 1226349131 is about 1070.3801400644.

The spelling of 1226349131 in words is "one billion, two hundred twenty-six million, three hundred forty-nine thousand, one hundred thirty-one".