1226457136 has 40 divisors (see below), whose sum is σ = 2429938224. Its totient is φ = 599531520.

The previous prime is 1226457119. The next prime is 1226457143. The reversal of 1226457136 is 6317546221.

It is a junction number, because it is equal to n+sod(n) for n = 1226457095 and 1226457104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124056 + ... + 133576.

Almost surely, 2^1226457136 is an apocalyptic number.

1226457136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1226457136 is a deficient number, since it is larger than the sum of its proper divisors (1203481088).

1226457136 is an equidigital number, since it uses as much as digits as its factorization.

1226457136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709 (or 9703 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 1226457136 is about 35020.8100420307. The cubic root of 1226457136 is about 1070.4115620607.

The spelling of 1226457136 in words is "one billion, two hundred twenty-six million, four hundred fifty-seven thousand, one hundred thirty-six".