1226126352 has 80 divisors (see below), whose sum is σ = 3512185920. Its totient is φ = 365452800.

The previous prime is 1226126339. The next prime is 1226126371. The reversal of 1226126352 is 2536216221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13174 + ... + 51242.

It is an arithmetic number, because the mean of its divisors is an integer number (43902324).

Almost surely, 2^1226126352 is an apocalyptic number.

1226126352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226126352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756092960).

1226126352 is an abundant number, since it is smaller than the sum of its proper divisors (2286059568).

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

1226126352 is a wasteful number, since it uses less digits than its factorization.

1226126352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38152 (or 38146 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 1226126352 is about 35016.0870458137. The cubic root of 1226126352 is about 1070.3153209326.

The spelling of 1226126352 in words is "one billion, two hundred twenty-six million, one hundred twenty-six thousand, three hundred fifty-two".