1226371152 has 20 divisors (see below), whose sum is σ = 3168125600. Its totient is φ = 408790368.

The previous prime is 1226371121. The next prime is 1226371163. The reversal of 1226371152 is 2511736221.

It is a super-3 number, since 3×1226371152³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12774652 + ... + 12774747.

It is an arithmetic number, because the mean of its divisors is an integer number (158406280).

Almost surely, 2^1226371152 is an apocalyptic number.

1226371152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1226371152 is an abundant number, since it is smaller than the sum of its proper divisors (1941754448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1226371152 is a wasteful number, since it uses less digits than its factorization.

1226371152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25549410 (or 25549404 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 1226371152 is about 35019.5824075616. The cubic root of 1226371152 is about 1070.3865468044.

The spelling of 1226371152 in words is "one billion, two hundred twenty-six million, three hundred seventy-one thousand, one hundred fifty-two".